Fix Windows Search Error 0x80070490: Version Mismatch
If you see error 0x80070490 when searching in Windows, it usually means a component version misma...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Temporarily Turn Off Windows Security for Troubleshooting
If you're troubleshooting a stubborn app or driver issue, Windows Security (formerly Defender) mi...
Fix Windows Defender Invalid Configuration After Update
After a Windows update, you might open Windows Security and see a yellow warning: "Invalid config...
Fix Windows Search Blank Screen Error 0x80070002
If you open Windows Search and see a blank screen or empty results along with error code 0x800700...
Using Google DNS to Fix Windows Activation Error
If you're seeing a Windows activation error that says something like "We can't activate Windows o...
Fix Chrome Profile Version Mismatch Errors
You open Chrome and see a message like “Your profile cannot be used because it is from a newer ve...
Topic paths
Quick titles
Fix Infinite Login Loop via Command PromptWindows Defender Not Opening? Here's How to Fix ItWindows Security Token Expired Error GuideOutlook Path Not Found Error Fix GuideResolve Task Scheduler Lag on BootWhat to Do When BitLocker Denies Access and You Lost the KeyHow to Speed Up Windows Security Virus ScanChecklist for Migrating Windows Security Settings