How to Fix Windows Security Not Responding
Windows Security (formerly Windows Defender Security Center) may stop responding, hang on launch,...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender Security Center Blank White Screen
You open Windows Security (formerly Windows Defender Security Center) and see only a blank white ...
Fix Windows Search Not Saving Credentials Loop
You enter your work or school credentials, Windows Search seems to accept them, but then the same...
Fix Windows Update 502 Bad Gateway After Update
After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...
Fix Windows Update Module Not Found Error: Tool Usage & Repair
If you see an error message saying 'Windows Update module not found' or 'wuapi.dll is missing', W...
Fix VSCode Remote SSH Permission Denied for Known Hosts
You're trying to connect to a remote server via VSCode's Remote - SSH extension, but you get a 'p...
Topic paths
Quick titles
How to Troubleshoot Windows 10 Activation ErrorsFix Microsoft Store 502 Error: Quick ChecklistResolve Windows Defender Error 0x800705b4Step-by-Step Windows Update Troubleshooting for IT ProsTroubleshoot Windows Security Rate LimitFix Windows Defender Proxy Error 0x80070422Fix Windows Update Login Loop After UpdateResolve OneDrive Sync Pending on Shared Folders