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

How to Fix a Chrome Extension That Keeps Crashing or Stopped Working

If a Chrome extension suddenly stops responding, crashes on click, or shows a "This extension may...

Fix Windows Activation Module Not Found Due to Corrupted Files

If you see the error "Windows activation module not found" and suspect corrupted files are the ca...

How to Clear Windows Defender Cache

If Windows Defender (Microsoft Defender Antivirus) is acting up—stuck on an old update, using hig...

Fix PowerShell Auto-Start 'Permission Denied' Error

You set a PowerShell script to run automatically at startup, but instead of running, you see a 'P...

Fix Command Prompt SSL Certificate Error: Not Trusted

When you see SSL certificate error: not trusted in Command Prompt, it usually means ...

How to Fix 504 Gateway Timeout in CMD Proxy Setup