Fix Windows Search Returning 404 Not Found Error
When you search for a file or app in Windows and click a result, you may see a ‘404 Not Found’ er...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Security High Memory Usage
If you notice Windows Security (formerly Windows Defender) using excessive memory—sometimes hundr...
Fix Windows Defender Log File Access Denied Error
When you try to open Windows Defender logs (e.g., from Event Viewer or the Microsoft Defender por...
Enable Windows Defender After Group Policy Disabled It
If Windows Defender is disabled and you suspect a Group Policy setting is the cause, you may see ...
Chrome Service Unavailable: Troubleshooting Checklist
When Chrome displays a 'Service Unavailable' error, it usually means the browser cannot connect t...
How to Fix Remote Desktop Error Code 0x4
When you try to connect to a remote computer via Remote Desktop (RDP) and see error code 0x4, the...
Topic paths
Quick titles
How to Clear Stuck Windows Update PendingFix Outlook Missing Emails from Specific SenderHow to Force Windows Update Cleanup to Delete FilesHow to Route RDP Traffic Through a ProxyBitLocker Update Issues: A Troubleshooting ChecklistGit Pull Conflict? How to Abort and Start OverOutlook Connection Timeout Checklist: Step-by-Step TroubleshootingFix Microsoft Store File Locked Permission Denied