Fix Windows Security Error 404 After Update
After a recent Windows update, you might see an error 404 when opening Windows Security. The app ...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix 'Permission Denied' When Creating a Folder in Command Prompt
You type mkdir newfolder in Command Prompt and get "Access is denied"
Fix Windows Defender High CPU Usage When Scan Stuck
If Windows Defender is using nearly 100% CPU and a scan appears stuck (e.g., progress bar frozen ...
Fix PowerShell Service Unavailable Error (Enable or Restart)
If you see 'Service unavailable' when trying to use PowerShell, the PowerShell service might be s...
How to Repair the Windows Search Indexer Service
If Windows Search stops returning results, takes forever to find files, or shows no results at al...
How to Fix BitLocker 502 Bad Gateway Configuration Error
When you see a 502 Bad Gateway error while configuring BitLocker, it usually mea...
Topic paths
Quick titles
Chrome Permission Denied Error TroubleshootingRemote Desktop Credentials Not Working Windows 10 FixOneDrive High Memory Fix ChecklistFix Task Scheduler Offline Installer Error 0x80070005Windows Backup Error 0x80070001 After Update: FixesWindows Activation Offline Installer Setup GuideFix Chrome Profile Port Already Allocated on MacHow to Fix Windows Update Error 0x800f081f Offline