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

Microsoft Store Authentication Failed After Update: Fixes

After a Windows update, you might see "Authentication failed" when trying to sign in to the Micro...

Fix Chrome Update Error 12 Caused by Antivirus

If you see Chrome update error 12, it usually means your antivirus software is interfering with t...

Fix Chrome Profile Port Already Allocated Error

Fix Remote Desktop 502 Bad Gateway in Nginx

If you're seeing a 502 Bad Gateway error when trying to access Remote Desktop through an Nginx re...

Fix Windows Defender SSL Certificate Error

If Windows Defender shows an SSL certificate error, it usually means the antivirus can't verify t...

Windows Security Connection Timeout Checklist

When Windows Security fails to connect to the internet, you might see error messages like "Connec...