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

Fix Windows Activation 502 Bad Gateway via Command Prompt

When you try to activate Windows and see a 502 Bad Gateway error, it usually means the activation...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

How to Fix MongoDB Compass Connection Refused on Windows

When you see 'connection refused' in MongoDB Compass on Windows, it usually means Compass cannot ...

Fix OBS Studio Black Screen on Windows 10

If OBS Studio shows a black screen when capturing your desktop or a specific window on Windows 10...

Fix Windows Terminal 404 Not Found After Update

After a Windows Terminal update, you might see a '404 Not Found' error when trying to open it. Th...

Fix Windows Defender Authentication Error from Corrupted System Files

You open Windows Defender and see an authentication failed error. This often happens after a fail...