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

Fix Windows Update Connection Refused Due to Firewall

If Windows Update fails with a "connection refused" error, your firewall is likely blocking the u...

Fix 'Token Expired Permission Denied' in Microsoft Teams

You're working in Microsoft Teams and suddenly you can't access a channel, send a message, or ope...

Fix OneDrive Sync Error 0x8004de40: Reset Settings

If you see error code 0x8004de40 when trying to sync files in OneDrive, it usually means the sync...

How to Enable Command Prompt in Safe Mode Without Network

You might need Command Prompt in Safe Mode to troubleshoot boot issues, repair system files, or r...

MongoDB Authentication Failed: Administrator Checklist

Fix OneDrive High Memory Usage After Update

After a recent update, you may notice OneDrive consuming excessive memory (RAM) or failing to syn...