How to Fix Microsoft Store Error 404 (Not Found)
If you see a 404 error when trying to open an app or page in the Microsoft Store, it usually mean...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security Service Not Starting Error
You click the Windows Security icon, but it doesn't open. Or you see an error saying the service ...
How to Fix Microsoft Store Update Stuck at 0 Percent
You click Update in Microsoft Store, but the progress bar sits at 0% for minutes or hours. This i...
How to Fix Outlook Stuck on Loading Profile Repair
You open Outlook and it hangs on 'Loading profile...' or gets stuck in a repair loop. This usuall...
Fix Microsoft Store Permission Denied Error
You try to install or update an app in the Microsoft Store and get a 'permission denied' error. T...
Fix Windows Defender High CPU Usage on Windows 11
If you notice your Windows 11 system slowing down and Task Manager shows Microsoft Defender Antiv...
Topic paths
Quick titles
Windows 10 Error 0x800f081f Fix GuideHow to Solve Node Version Mismatch in ProjectsOutlook Mac Won't Open: Troubleshooting GuideFix Microsoft Teams Crashing on Mac: Practical StepsHow to Recover Missing Windows Scheduled TasksSet Up CMD in Windows 10 Without InternetWindows Defender High CPU? Try These FixesResolve Outlook 504 Timeout Configuration Issues