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

Fix Windows Security Not Starting Due to Third-Party Antivirus

If Windows Security (formerly Windows Defender) refuses to start or shows a blank screen, a third...

Fix VSCode Extension Host Terminated Error Code 0

What does this error mean?

When you see 'Extension host terminated unexpectedly with erro...

Windows Search Token Expired: Quick Fixes

If you see 'token expired' while using Windows Search, it usually means the search index or relat...

Windows Defender Service Not Working in Windows 11: Fixes

If Windows Defender won't start or shows a service error in Windows 11, your system may be unprot...

Fix 'Enable Command Prompt Execution Policy Permission Denied' Error

When you try to run a script or change the execution policy in PowerShell or Command Prompt, you ...

How to Remove the Ubuntu dpkg Lock File

When you see an error like 'E: Could not get lock /var/lib/dpkg/lock' or 'E: Unable to lock the a...