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

Fix SFC Scan Error 0x80073712: Corruption Found but Unrepairable

When you run the System File Checker (SFC) in Windows and it fails with error 0x80073712, the mes...

Fix Windows Update Service Not Running After Malware Removal

After removing malware, you may find that Windows Update no longer works. The service might be di...

Fix 'Cannot Connect to Exchange Online' in PowerShell

When you run Connect-ExchangeOnline in PowerShell and get an error like "Cannot conn...

Fix Windows Security Authentication Error 0x80070035

Checklist to Resolve OneDrive 502 Bad Gateway Error

If you see a 502 Bad Gateway error when accessing OneDrive, it usually means the...

Windows Update Troubleshooting Checklist: Step by Step

Windows Update can fail for many reasons. This checklist walks you through the most common fixes,...