Fix Microsoft Store Not Opening After Update
After a Windows update, you might click the Microsoft Store icon and see nothing happen—no window...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Security 404 Not Found Error
If you see a '404 Not Found' error when opening Windows Security (formerly Windows Defender), the...
How to Fix Windows Update Error 0x80073712
You see error 0x80073712 when trying to install updates. It usually means a system file or compon...
Fix Windows Update Stuck on Checking for Updates on Mac
If you're running Windows on a Mac via Boot Camp or a virtual machine (Parallels, VMware Fusion, ...
Fix Windows Defender DNS Error Permission Denied
You run a scan or update in Windows Defender and see an error like "DNS error permission denied" ...
How to Enable Windows Security Real-Time Protection
If you see a warning that real-time protection is off, or you suspect your PC is vulnerable, here...
Topic paths
Quick titles
OneDrive High CPU Usage Troubleshooting ChecklistHow to Fix Chrome Profile Failed to Start ErrorChrome File Locked Error Extension FixTroubleshooting Chrome Profile Connection Timeout ErrorStop Outlook for Mac from CrashingBest BitLocker Options for External Hard DrivesResolve Windows Update Stuck on 100%Apache Service Not Starting After Update: Common Fixes