Knowledge base for software setup, errors, and daily tool work.

How to Troubleshoot PowerShell 404 Not Found Errors

When PowerShell shows a 404 Not Found error, it usually means the system cannot locate a file, mo...

Fix Windows Search 504 Gateway Timeout Due to Antivirus Interference

If you're seeing a "504 Gateway Timeout" error when using Windows Search—especially when searchin...

Fix Command Prompt Not Recognizing Commands

How to Fix Command Prompt Authentication Failed Error

When you see “authentication failed” in Command Prompt, it usually means the system couldn’t veri...

Fix Windows Security Authentication Failed Smart Card Not Working

You insert your smart card, enter your PIN, and Windows Security reports “Authentication failed.”...

Fix ImageMagick 'convert' Not Recognized in PHP exec()

If you're seeing an error like convert not recognized when trying to use ImageMagick...