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

Fix Windows Security Not Starting Due to Third-Party Antivirus

If Windows Security (formerly Windows Defender) refuses to start or shows a blank screen, a third...

PowerShell Profile Cache Location and How to Delete It

If PowerShell starts slowly, shows errors on launch, or seems to ignore recent profile changes, a...

Microsoft Teams Not Working After Update: How to Fix

After a Microsoft Teams update, you might find the app won't start, hangs on loading, or shows bl...

Fix Microsoft Teams Sync Issues After Restore

After restoring Microsoft Teams from a backup or system restore, you might notice contacts missin...

Fix Microsoft Store Sync Issues Between Devices

You bought an app on one Windows PC, but it doesn't show up on another. Or your settings aren't s...

Fix GitHub Actions Cache Action Permission Denied Error