Security News > 2022 > May > Windows 11 KB5013943 update causes 0xc0000135 application errors
Windows 11 users are receiving 0xc0000135 errors when attempting to launch applications after installing the recent Windows 11 KB5013943 cumulative update.
These updates include the Windows 11 KB5013943 update, which included a fix for a bug causing.
NET Framework 3.5 apps not to open if they used the Windows Communication Foundation and Windows Workflow components.
Microsoft's fix seems to have caused further issues, as now Windows 11 users are reporting a wide variety of applications that can no longer open after installing the KB5013943 update.
"So I just updated my laptop to the newest version of windows 11 and I am getting a lot of application errors and auto startup errors for apps. Is there a way to fix this? Error 0xc0000135," a user posted to the Microsoft Answers forum.
Uninstalling the Windows 11 KB5013943 update resolves the problem but leaves the device unprotected against newly patched vulnerabilities.