Fix Windows Defender Service Not Running
If you see "Windows Defender service not running" or a red warning in Security Center, the underl...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Update Black Screen After Restart
After installing a Windows update and restarting, a black screen (with or without a cursor) can b...
How to Restore Windows Security Missing from Start Menu
If Windows Security (formerly Windows Defender) has disappeared from your Start Menu, it usually ...
Fix Command Prompt Rate Limit Error on Windows 10
If you see a rate limit error when using Command Prompt on Windows 10, it usually means too many ...
Command Prompt Stuck After Windows Update: How to Fix
After a recent Windows update, you may find Command Prompt hangs on a blank screen or a flashing ...
How to Fix BitLocker Module Not Found Error
When you open BitLocker Drive Encryption or try to manage encrypted drives, you might see an erro...
Topic paths
Quick titles
Windows Search Indexing Checklist for BackupOutlook Invalid Configuration Settings Error RepairTroubleshooting Conda Environment ListHow to Fix OneDrive Sync on StartupWindows Search Error: Connection Refused – How to ResolveHow to Resolve PowerShell Invalid Configuration ErrorHow to Fix Remote Desktop Error Code 0x4Troubleshooting Apache Error 1067 in Windows