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

Chrome Profile 502 Bad Gateway: Step-by-Step Fix

You're browsing in Chrome and suddenly see a 502 Bad Gateway error on most sites...

How to Fix PowerShell Version Mismatch Error

Outlook Rate Limit Error: Complete Troubleshooting Checklist

If you see an error like “You’ve hit a rate limit” or “Too many requests” in Outlook, your accoun...

OneDrive Sync Not Working Due to Proxy: Fixes

If OneDrive stops syncing and you're behind a corporate or personal proxy, the proxy settings are...

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...

How to Reauthenticate OneDrive Sync on Windows and Mac

If OneDrive has stopped syncing and you see errors like 'Sign in required' or 'Credentials needed...