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

Reset Windows Defender Settings via Command Line

If Windows Defender is misbehaving—showing false positives, missing updates, or refusing to run—r...

Fix Microsoft Store Authentication Fails Due to Proxy

If you see authentication errors in Microsoft Store and suspect a proxy, you're likely hitting a ...

Fix GitHub Actions Docker Push Permission Denied

Fix BitLocker Recovery "Path Not Found" After Drive Letter Change

If you see a "BitLocker path not found" error after a drive letter changed, it usually means Wind...

Fix Windows Activation Invalid Configuration After Hardware Change

After replacing a motherboard, CPU, or hard drive, you might see "Windows isn't activated" or "In...

Fixing PowerShell Authentication Failed Due to Certificate Errors

When PowerShell commands fail with "Authentication failed" and mention certificates, the issue is...