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

Fix Microsoft Teams SSL Certificate Error: Invalid Certificate

When you see "SSL certificate error: invalid certificate" in Microsoft Teams, the app may fail to...

Fix Windows Security Not Launching at Startup

You restart your PC and notice Windows Security (formerly Windows Defender) isn't running. The ic...

Install NuGet Provider Manually Without Internet

Fix 502 Bad Gateway Nginx from Command Line

If you're seeing a 502 Bad Gateway error from Nginx, it usually means Nginx can'...

Fix Windows Defender Token Expired Registry Error

If you see an error like "Token expired" in Windows Security or Event Viewer, it usually...

Fix OneDrive Download Files Not Syncing

You see files in OneDrive online but they won't download or sync to your PC. The sync icon shows ...