Fix BitLocker Service Unavailable Due to Group Policy
You might see 'BitLocker service unavailable' when trying to enable BitLocker or manage encrypted...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Activation Not Working on Ubuntu
If you're running Windows on a machine that also has Ubuntu, you may see an activation error. Thi...
Fix Windows Update DNS Resolution Problems
When Windows Update fails with errors like 0x80072EFD or 0x8024402C, DNS resolution problems are ...
Fix Windows Security Rate Limit Error Configuration
You may see a rate limit error in Windows Security when trying to update definitions, run a scan,...
Fix Microsoft Teams Internet Connectivity Check Not Working
You open Microsoft Teams and see a message that you're offline or that Teams can't verify your in...
How to Fix Windows Defender File Locked Error 0x80070020
Error 0x80070020 often appears when Windows Defender (Microsoft Defender Antivirus) is scanning a...
Topic paths
Quick titles
Resolve Chrome Tunnel Connection Failed Error from Antivirus SoftwareWindows Activation Server Timeout 504 FixHow to Fix Firefox Secure Connection Failed Due to Wrong DateWindows Store Not Downloading: Stuck at 0 BytesHow to Fix RDP Authentication FailedRun Terminal as Administrator on MacFix Windows Activation Error 0xC004F074 on a DomainHow to Fix BitLocker 'Command Not Found' or 'Permission Denied'