Fix BitLocker Authentication Failed with TPM Not Working
If BitLocker prompts for a recovery key or shows "Authentication failed" and TPM is not working, ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listOneDrive Sign-In Stuck on 'Verifying'? Try These Fixes
If OneDrive hangs on the 'Verifying' screen when you try to sign in, it usually means the app can...
Fix Task Scheduler Network Connection Lost During Task
You set a scheduled task to run daily, but it fails with a network connection lost error partway ...
How to Fix Windows Security Real-Time Protection Not Turning On
If you see that Windows Security's real-time protection is stuck off and won't turn on, you're no...
Fix Microsoft Store Not Opening After Offline Installer
If you've installed an offline version of the Microsoft Store (for example, on a PC without inter...
How to Fix BitLocker Connection Refused Error
If you see a "Connection refused" error when trying to manage BitLocker on a remote computer or a...
Topic paths
Quick titles
Fix Windows Terminal Access Denied Error (Admin Required)How to Set Custom Log Directory in Windows TerminalBitLocker Startup Lag: Causes and FixesHow to Fix Teams Stuck on Loading ScreenResolve Chrome Certificate Error Per ProfileHow to Resolve Windows Activation Connection TimeoutOutlook Blank Screen After Windows 10 Update FixResolve Task Scheduler Network Unavailable Error