Fixes long filename problem on Windows systems when doing updates, such as updating from EDD based sites.
As of April 2026, Windows Compatibility Fix is a WordPress theme plugin with 1.0K+ active installations and a 5/5 rating from 8 reviews. It has been downloaded 17K+ times in total. Requires WordPress 4.0+ and PHP false+. Available on WordPress.org since 2017. Last updated 7 years ago — may have compatibility concerns. Downloads are up 16% this week. Top alternative: Kirki Customizer Framework.
This plugin will fix long filename problems on Windows systems when doing updates from third-party plugin repositories, such as updating from EDD based sites.
Usage Scenarios:
We’ve found that users on Windows systems that are upgrading themes and plugins from a third-party repository, such as an Easy Digital Downloads (EDD) site have problems. They will see an error message of “Update Failed: Could not create directory…”. The reason for this is that during the update process, the file name requested from the EDD site has the product name, user name and other information encoded within it so that EDD knows who is requesting the file. This results in a very long file name. This is not necessarily a problem WordPress itself, or even EDD, as this works on non-Windows…
Solved my issues with local WPML updates!
As far as I knew my file permissions were set okay but wasn’t really sure. Tried this first and it worked straight up. Easy! Thank you!!
I was trying to unsuccessfully update a plugin on my windows server. It took me hours of all the messing with file permissions and stuff until I found this plugin and it worked like a charm! Thank you so very much!
Perfect – solves any messing around having to do manual installs. Thanks hepas!
BOOM!
Worked right out of the box, the first time.
| WordPress | 4.0+ requiredTested up to 5.0.25 |
| PHP | false+ required |
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