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

Fixing Windows Security 502 Bad Gateway Errors

If you see a 502 Bad Gateway error in Windows Security (or the Windows Defender portal), it usual...

Fix Jupyter Notebook Token Not Working on Localhost

If you see a token prompt when opening Jupyter Notebook on localhost, and entering the token fail...

Fix BitLocker High Memory Usage After Windows Update

Why BitLocker Memory Usage Spikes After an Update

After a Windows update, some users noti...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

Fix Remote Desktop Blank Screen Due to Display Driver Issues

When you connect to a remote computer via Remote Desktop and see only a blank screen (black or gr...

Fix Remote Desktop Credentials Not Working on Windows 11

You enter your username and password for a remote desktop connection, but Windows 11 keeps reject...