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

Fix Windows Update Connection Refused on Windows 11

If you see a 'connection refused' error when checking for updates on Windows 11, it usually means...

Fix Outlook Reset Settings Permission Denied Error

Fix OneDrive Sync Not Working After Migration

After moving files to a new PC or switching Microsoft accounts, OneDrive may stop syncing. This u...

Fix Task Scheduler Backup Not Running

You set up a backup task in Windows Task Scheduler, but it never runs. The status says "Ready" or...

Fix slui.exe High CPU Usage During Windows Activation

If you notice your CPU pegged at 100% while trying to activate Windows, slui.exe (Software Licens...

Fix Windows Defender 502 Bad Gateway Permission Denied

If you're seeing a '502 Bad Gateway – Permission Denied' error when using Windows Defender (Micro...