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

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Windows Defender Service Not Starting (Error 404)

If you see error 404 when trying to start Windows Defender, it usually means the service executab...

Fix Windows Activation Connection Timeout After Network Change

If you recently changed your network—switched Wi-Fi networks, moved from Ethernet to Wi-Fi, or ch...

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

Fix 'Invalid Configuration' Error in Command Prompt on Windows 10

When you open Command Prompt and see an 'invalid configuration' message, it usually means a setti...

Fix Windows Search Update Error 0x80070005

When updating Windows Search, you may encounter error 0x80070005. This usually means Windows Upda...