How to Fix Windows Update Error 404 Not Found
You see error 404 when checking for updates in Windows Update. This usually means the update serv...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Clear Microsoft Store Cache to Fix Download Errors
If the Microsoft Store won't load, apps fail to download, or updates get stuck, a corrupted cache...
Windows Defender Service Not Working in Windows 11: Fixes
If Windows Defender won't start or shows a service error in Windows 11, your system may be unprot...
Fix Windows Search Connection Timeout on Domain Network
If Windows Search stops responding or shows a connection timeout error on a domain-joined compute...
Fix Windows Search High CPU Usage (SearchIndexer.exe)
If you notice your PC slowing down and Task Manager shows SearchIndexer.exe using 50% or more CPU...
How to Enable Script Execution in PowerShell
When you try to run a PowerShell script (.ps1) and see an error like "cannot be loaded because ru...
Topic paths
Quick titles
Chrome Crashing on Windows 10? Try These FixesHow to Clear Chrome DNS Cache for a Single ProfileTroubleshooting BitLocker Network Unlock FailuresHow to Fix Microsoft Teams Not SyncingResolve Outlook Offline Installer Configuration FailedTroubleshooting Windows Terminal Startup FailuresFix VSCode Debugger 'launch.json Not Found' ErrorWindows Update Configuration Failed Rollback Fix