Can't Update Plugins WordPress: Frustrating Fix

Why You Can’t Update Plugins in WordPress (And What to Do About It)

If you can’t update plugins in WordPress, here are the most common reasons and quick fixes:

File permissions are wrong – WordPress can’t write to your wp-content folder. Set directories to 755 and files to 644.
Your site is stuck in maintenance mode – Delete the .maintenance file from your root directory via FTP or File Manager.
Not enough disk space – Free up server storage or upgrade your hosting plan.
PHP memory limit is too low – Add define('WP_MEMORY_LIMIT', '256M'); to your wp-config.php file.
Premium plugin license has expired or isn’t activated on your domain – Log in to the plugin vendor’s dashboard and reactivate your license.
A plugin or theme conflict is blocking the update – Deactivate all other plugins, attempt the update, then reactivate one by one.
Your server’s temp directory is misconfigured – Define WP_TEMP_DIR in wp-config.php to point to a writable folder.

Picture this: you log in to your WordPress dashboard, click “Update” on a plugin, and watch the progress bar spin — and spin — and spin. Then comes the error message. Your stomach drops. Is your site broken? Did something get corrupted? Will your customers notice?

You are not alone. WordPress powers roughly 30% of all websites on the internet, which means plugin update failures are one of the most common technical headaches site owners face. The good news: almost every update failure has a clear cause and a straightforward fix — once you know where to look.

I’m Kevin Gallagher, founder of wpONcall and a WordPress specialist with over 15 years of hands-on experience helping business owners solve exactly the kind of “can’t update plugins in WordPress” problems that keep you up at night. In the sections below, I’ll walk you through every major cause and fix, step by step, so you can get your site running smoothly again.

Know your can’t update plugins wordpress terms:

Common Reasons You Can’t Update Plugins WordPress

Managing a WordPress site can sometimes feel like riding a wild horse through a canyon. It is thrilling when everything runs smoothly, but one sudden obstacle can throw you off balance. When you find that you can’t update plugins wordpress files, the issue usually boils down to a conflict between your web server’s settings and the plugin file structure.

To help you visualize where your update roadblock might be occurring, we have broken down the most common issues into two main categories: server-side problems and plugin-side problems.

Issue Category	Common Cause	Typical Error Message / Symptom	Primary Solution
Server-Side	Incorrect File Permissions	“Could not create directory” or “Copy failed”	Change directory permissions to 755 and file permissions to 644
Server-Side	Insufficient Disk Space	“PCLZIPERRBAD_FORMAT” or “Download failed”	Delete old backups, clear server cache, or upgrade hosting
Server-Side	Low PHP Memory Limit	Fatal Error: Allowed memory size exhausted	Increase memory limit in wp-config.php to 256M
Server-Side	Temporary Directory Missing	“Missing a temporary folder”	Define WPTEMPDIR in your wp-config.php file
Plugin-Side	Expired or Missing License Key	“Update Package Unavailable” or “Unauthorized”	Re-enter, activate, or renew your premium license key
Plugin-Side	Code Conflict (Plugin/Theme)	Site crashes, white screen, or update timeouts	Deactivate conflicting plugins or test with a default theme
Plugin-Side	Core Version Mismatch	Incompatibility with latest WordPress core	Roll back the update or wait for a developer patch

Understanding these distinctions is the first step toward reclaiming control of your website. If you want a deeper understanding of how these updates interact with your site, check out our guide on Plugin Updates WordPress.

Now, let’s dive into the specifics of these common culprits so you can identify exactly why your site is acting up.

File Permissions and Server Ownership Issues

One of the most frequent reasons you can’t update plugins wordpress packages is that your server is acting like an overprotective bouncer. It refuses to let WordPress write new files to your directories.

In the Linux-based hosting environments that power most WordPress sites, every file and folder has a set of rules determining who can read, write, or execute it. If these rules are set incorrectly, WordPress cannot replace outdated plugin files with new ones.

This restriction often stems from an ownership mismatch. On servers running Apache or Nginx, the web server software typically runs under a user profile called www-data. If your WordPress files were uploaded via an SSH account or a different FTP user, those files might belong to that specific user rather than www-data. When WordPress tries to perform an automatic update, it lacks the authority to overwrite those files.

To fix this, directories must be set to 755 and individual files must be set to 644. Setting permissions to 777 might seem like an easy way to bypass the issue, but it is highly dangerous. It leaves your site wide open to security breaches, much like leaving your front door unlocked in a bandit town. For a deeper look at user experiences with this exact issue, you can read the community discussions on Can’t update plugins.

Insufficient Disk Space and PHP Memory Limits

Another common bottleneck is a lack of physical resources on your server. When you attempt to update a plugin, WordPress must download a compressed .zip file, extract it into a temporary folder, delete the old plugin folder, and move the new files into place. This process requires a surprising amount of temporary disk space and PHP processing memory.

If your hosting plan is near its storage limit, you will often see the dreaded PCLZIPERRBAD_FORMAT error. This technical jargon simply means the server ran out of room to extract the update package, resulting in a corrupted file.

Similarly, if your PHP memory limit is set too low (such as the default 64MB or 128MB), the server will run out of mental horsepower mid-update, leading to a stalled process or a white screen. We recommend increasing your WPMEMORYLIMIT to at least 256MB to give your server the breathing room it needs. You can learn more about configuring your server environment in our comprehensive WordPress Plugin PHP Guide.

Premium License Expirations and API Blocks

If you are struggling with a specific commercial plugin rather than your entire library, the issue is likely tied to a license key or an API connection. Unlike free plugins hosted on the official WordPress directory, premium plugins rely on the developer’s private servers to deliver updates.

When you migrate a site from a staging environment to a live domain, your plugin license may still be registered to the old development URL. As a result, the developer’s server rejects the update request, throwing an “Unauthorized” or “Update Package Unavailable” error.

To resolve this, you must log in to your account on the plugin vendor’s website, deactivate the license for your old staging URL, and activate it for your live domain. Keeping your subscription active is vital; once a subscription expires, the update stream dries up, leaving your site exposed to bugs and security vulnerabilities. For detailed strategies on managing these premium connections, check out our article on WP Plugin Update.

Detailed Breakdown of Server-Side Ownership and Permissions

To truly understand why file permissions block updates, we must look at how web servers interact with your server’s operating system. When you purchase hosting, your provider sets up an environment where your files live. This environment is managed by an operating system, usually a distribution of Linux. In Linux, security is paramount, and security is enforced through ownership and permissions.

Every file and folder on your server has an owner and a group. The owner is the user account that created the file or has been assigned control over it. The group is a collection of users who share certain access privileges. In a typical WordPress setup, there are two main entities that need access to your files:

Your FTP/SSH User: This is the account you use to log in via FileZilla, WinSCP, or terminal commands. When you upload files manually, they are owned by this user.
The Web Server User: This is the system account used by Apache, Nginx, or LiteSpeed to serve your website to visitors. On Ubuntu and Debian systems, this user is typically named www-data. On CentOS or RedHat systems, it might be named apache or nobody.

An ownership mismatch occurs when your FTP user owns the files, but the web server user does not have permission to modify them. When you click “Update Now” in your WordPress dashboard, the request is executed by the web server user (www-data). If www-data does not own the files and the permissions are set too restrictively, the web server cannot overwrite the old plugin files with the new ones. This results in errors like “Update Failed: Could not create directory” or “Copy failed.”

To resolve this permanently, you may need to ask your hosting provider to reset the file ownership so that the web server user has write access to your wp-content directory. Alternatively, if you have root access via SSH, you can run the following command to change ownership to the web server user (replace /var/www/html with your actual site path):

chown -R www-data:www-data /var/www/html/wp-content/plugins

Once ownership is correctly aligned, setting your directory permissions to 755 and file permissions to 644 will ensure that WordPress can perform updates seamlessly without exposing your site to security vulnerabilities.

Step-by-Step Troubleshooting: How to Fix Failed Updates Safely

When an update goes wrong, it is easy to panic and start clicking “Update” repeatedly. However, retrying a failed update without addressing the underlying issue is like trying to drive a car with a flat tire — you will only cause more damage.

We recommend a calm, methodical troubleshooting workflow. Before you change any files, make sure you have a complete backup of your database and your wp-content folder. If you need to revert a bad update quickly, refer to our emergency guide, WordPress Plugin Update Gone Wrong? Here’s How to Roll It Back.

Step 1: Restore Access and Clear the Maintenance Mode Loop

If your site became unresponsive or displayed a “Briefly unavailable for scheduled maintenance. Check back in a minute.” message during an update, your site is stuck in a maintenance loop.

During an update, WordPress temporarily creates a file called .maintenance in your root directory to prevent visitors from accessing broken pages while files are being replaced. Normally, this file is deleted automatically once the update completes. If the update process times out or encounters an error, the file remains, locking you out of your dashboard.

To break out of this loop and restore access to your site:

Log in to your hosting account and open your File Manager, or connect to your server using an FTP client.
Navigate to your site’s root directory (usually named public_html, htdocs, or your domain name).
Look for a file named .maintenance (note the leading dot, which indicates a hidden file in Linux).
Delete this file.
Refresh your website. Your site should load normally, allowing you to access your WordPress dashboard.

For a visual demonstration of how to handle a broken site after a failed update, watch this helpful video tutorial: How To Fix Your WordPress Site After A Plugin Update Goes Wrong.

Step 2: Resolve the “Can’t Update Plugins WordPress” Error via FTP Manual Uploads

When the automatic updater in your dashboard continues to fail, you can bypass it entirely by performing a manual update via FTP. This is a highly reliable method because it avoids the server-side extraction limits that often cause automatic updates to crash.

To perform a manual update safely:

Download the latest version of the plugin as a .zip file from the official WordPress Repository or your premium plugin vendor’s account dashboard.
Extract the .zip file on your local computer to reveal the plugin folder.
Connect to your server using an FTP client (such as FileZilla) and navigate to the wp-content/plugins/ directory.
Locate the folder of the plugin you wish to update. To be safe, rename the old plugin folder on your server by adding “-old” to the end (e.g., my-plugin-old). This preserves your settings and gives you an instant fallback if the new version fails.
Upload the new, unzipped plugin folder from your computer to the wp-content/plugins/ directory on your server.
Check your website to ensure everything works correctly. Once confirmed, you can safely delete the old folder (e.g., my-plugin-old) from your server.

This manual process ensures no data is lost and bypasses any dashboard-level blockages. For more details on alternative update strategies, read our guide on How to Update WordPress Plugins: 5 Quick Methods.

Step 3: Fix Server Permissions and Define WPTEMPDIR

If your manual update worked but you want to fix the root cause so you can use automatic updates again, you need to address your server’s file permissions and temporary directory settings.

First, let’s establish correct file permissions. If you have SSH access, you can run these standard command-line instructions to reset your permissions safely. If you do not have SSH access, you can apply these settings using your FTP client by right-clicking on the folders and selecting “File Permissions.”

Set all directories to 755: This allows the owner to read, write, and execute, while others can only read and execute.
Set all files to 644: This allows the owner to read and write, while others can only read.

Next, we need to address the “missing a temporary folder” error. WordPress needs a secure temporary folder to hold downloaded zip files during the update process. If your host has misconfigured the default temporary folder in PHP, WordPress will fail to download the files.

To fix this, you can define a custom temporary folder inside your wp-config.php file:

Open your wp-config.php file using a text editor in your File Manager or FTP client.
Locate the line that says: /* That's all, stop editing! Happy publishing. */
Just above that line, add the following text: define('WP_TEMP_DIR', dirname(__FILE__) . '/wp-content/upgrade/');
Save the file.
Navigate to your wp-content folder and ensure there is a folder named upgrade. If it does not exist, create it and set its permissions to 755.

This instructs WordPress to use your own secure folder for temporary files, bypassing any hosting misconfigurations. For more solutions to activation and installation errors, refer to this detailed guide: How to Fix “Plugin Could Not Be Activated” Error in WordPress (2026 Guide) – GPL Ji.

Step 4: Diagnosing and Fixing Database-Level Update Failures

Sometimes, the files copy over perfectly, but the update still fails because of database issues. Many complex plugins, such as WooCommerce or advanced SEO suites, require database schema updates when moving to a new version. If your database user lacks the necessary privileges to alter tables, or if your database server is running out of memory, the update will stall.

To diagnose database-level update failures:

Check the WordPress Site Health Tool: Go to Tools > Site Health in your dashboard. Look for any critical issues related to database connectivity, missing SQL extensions, or database performance.
Enable WordPress Debugging: Open your wp-config.php file and change define('WP_DEBUG', false); to define('WP_DEBUG', true);. Also add define('WP_DEBUG_LOG', true);. This will create a debug.log file inside your wp-content folder. Attempt the update again, then open the log file to check for specific SQL errors, such as CREATE TABLE failed or ALTER TABLE denied.
Verify Database User Privileges: Log in to your hosting control panel (such as cPanel) and open MySQL Databases. Ensure that the database user assigned to your WordPress site has all privileges enabled, specifically ALTER, CREATE, INDEX, and DROP.
Optimize Database Tables: Over time, database tables can become fragmented. Use a plugin like WP-Optimize or run the OPTIMIZE TABLE command in phpMyAdmin to clean up overhead and ensure your database responds quickly during schema migrations.

By ensuring your database is healthy and your database user has full privileges, you eliminate another major hidden barrier to successful plugin updates.

Best Practices to Prevent Future Plugin Update Failures

Maintaining a healthy WordPress site requires a proactive approach. Instead of waiting for an update to break your site, establishing a regular maintenance routine will keep your platform secure and functional. Think of it as routine maintenance for your car; a little effort now prevents a major breakdown on the highway later.

To keep your updates running smoothly, we recommend establishing a consistent routine. For help with controlling automatic updates, see our guide on How to Stop Auto Update Plugins in WordPress.

Create Backups and Test Updates in a Staging Environment

Never apply updates directly to a busy live production website without a safety net. If a newly updated plugin contains a bug that conflicts with your theme, your entire site could go down, costing you visitors and revenue.

The gold standard of WordPress maintenance is using a staging site. A staging site is a private, identical clone of your live website where you can safely test updates, new plugins, and code changes without affecting your public audience.

Create a full backup: Use a reliable tool like UpdraftPlus to back up both your database and your files before making any changes.
Push to staging: Copy your live site to your staging environment. Many modern hosts offer a simple one-click staging feature.
Run the updates on staging: Apply all pending updates in the staging environment first.
Test thoroughly: Click through your pages, test your contact forms, and run a test checkout if you operate an e-commerce store.
Deploy to live: Once you are confident the updates are stable, apply them to your live site, or push your staging environment to production.

If you ever need to revert a change on your live site, our guide on How to Rollback Plugin Updates in WordPress will walk you through the recovery process.

Manage Auto-Updates and Monitor PHP Compatibility

While automatic updates are convenient, they can be a double-edged sword. An unmonitored automatic update can occur in the middle of the night, leaving your site broken for hours before you notice.

We recommend enabling automatic updates only for minor, highly stable plugins, while keeping manual control over major plugins like WooCommerce, page builders, or security suites.

Additionally, pay close attention to your server’s PHP version. As we move through 2026, many modern plugins require PHP 8.1 or PHP 8.5 to function correctly. Running an outdated version of PHP will cause newer plugin updates to fail or trigger fatal errors upon activation. You can check your current PHP version by navigating to Tools > Site Health > Info > Server inside your WordPress dashboard. For a deeper dive into the mechanics of automated updates, check out The Lazy Developer’s Guide to Automatic WordPress Plugin Updates.

What to Do When You Can’t Update Plugins WordPress in Bulk

When you have a long list of pending updates, the temptation to select them all and click “Bulk Update” is strong. However, bulk updating is a common cause of update timeouts and database corruption.

When you trigger multiple updates at once, your server must execute dozens of download, extraction, and installation scripts simultaneously. If your server resources are limited, this sudden spike in activity will trigger a gateway timeout, leaving several plugins partially installed and your site potentially broken.

Instead of bulk updating:

Update sequentially: Update your plugins one by one, starting with minor utility plugins and saving large, complex plugins for last.
Clear cache between updates: If you use a caching plugin or a server-side cache, clear it after each major update to ensure new scripts load correctly.
Read the changelogs: Take a moment to read the update notes for major releases to check for any known compatibility issues.

For a comprehensive walkthrough on managing automated update settings safely, explore our WordPress Plugin Auto Update Disable Guide.

Establishing a Long-Term Maintenance Schedule

To prevent your site from falling behind, you should establish a structured maintenance schedule. Leaving plugins unupdated for months is a major security risk, as outdated plugins are the primary entry point for hackers. Conversely, updating plugins the exact minute they are released can expose you to “zero-day” bugs that the developer hasn’t fully patched yet.

We recommend a balanced approach:

Weekly Maintenance: Check your dashboard once a week for minor updates, security patches, and translation updates. These are generally low-risk and can be applied quickly after a quick backup.
Monthly Maintenance: Schedule a dedicated block of time once a month to handle major updates (such as major version jumps for page builders, SEO plugins, or e-commerce extensions). Perform these updates on your staging site first, test thoroughly, and then deploy them to your live site during off-peak traffic hours.
Quarterly Audits: Every three months, conduct a thorough audit of your active plugins. Ask yourself: Are we still using this plugin? Is the developer still actively maintaining it? If a plugin hasn’t been updated by its developer in over a year, it is time to look for a modern alternative to avoid future compatibility issues with newer versions of WordPress and PHP.

Frequently Asked Questions About WordPress Plugin Updates

Why does my WordPress plugin update keep failing with a “Download Failed” error?

A “Download Failed” error usually indicates that WordPress cannot write the temporary installation files to your server. This is commonly caused by a missing or misconfigured temporary directory (which can be resolved by defining WP_TEMP_DIR in your wp-config.php file) or incorrect file permissions on your wp-content/upgrade/ folder.

It can also occur if your server’s firewall blocks outgoing connections to the WordPress plugin repository or the developer’s update API. If you need to revert a failed update while troubleshooting this error, our guide on Mastering WordPress Plugin Rollbacks: Revert Updates with Ease can help.

When should I contact my hosting provider versus the plugin developer?

If you are experiencing site-wide issues — such as all plugins failing to update, disk space errors, permission denials, or PHP version warnings — you should contact your hosting provider. These are server-level environment issues that only your host can resolve.

If only a single, specific plugin is failing to update while others work perfectly, you should reach out to the plugin developer. This is likely due to a bug in the plugin’s code, an incompatibility with your theme, or an issue with the developer’s licensing API.

For community support and to see if other users are experiencing similar issues with recent updates, check out these external resources:

Is it safe to update plugins directly on a live production website?

While it is common practice, updating plugins directly on a live site carries inherent risks. If an update contains a critical bug or conflicts with your active theme, your site could go offline instantly.

For small, low-impact plugins (such as simple text widgets or translation tools), updating on a live site during low-traffic hours is generally safe. However, for core business plugins (such as e-commerce platforms, membership systems, or security firewalls), you should always test the updates in a staging environment first. For a general overview of standard update procedures, you can watch this video guide: How to Update Your WordPress Plugins – YouTube.

Conclusion

Dealing with a WordPress site that refuses to update can be incredibly frustrating, but it doesn’t have to ruin your week. By systematically checking your file permissions, verifying your server resources, and managing your license keys, you can resolve almost any update bottleneck quickly and safely.

At wpOncall, we specialize in taking the stress out of website management. Operating out of Santa Rosa, CA, our team provides comprehensive WordPress security, daily updates, reliable offsite backups, and unlimited support to keep your business running smoothly.

Instead of spending your evenings troubleshooting server errors and code conflicts, let us handle the technical heavy lifting for you. Explore our WordPress Maintenance and Support Services today, and enjoy the peace of mind that comes with having a dedicated team of experts in your corner.