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

How to Fix Chrome Profile 404 Not Found Sync Error

You open Chrome and see a '404 Not Found' error linked to your profile, or sync stops working wit...

Fix Windows Update Token Expired Error 0x80070057

You see error code 0x80070057 when trying to run Windows Update, often with a message about a tok...

Fix BitLocker Connection Refused or Permission Denied Errors

If you see 'connection refused' or 'permission denied' when trying to access a BitLocker-encrypte...

Windows Security Not Scanning for Viruses: How to Fix

If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...

How to Restart the Task Scheduler Service in Windows

If scheduled tasks aren't running or you see errors like "Task Scheduler service is not available...

Windows Update High CPU Usage Troubleshooting Checklist