Where Windows Defender Stores Its Cache Files
If Windows Defender (now Microsoft Defender Antivirus) won't update definitions, hangs during sca...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Outlook 404 Not Found Error on Windows 10
If you see a '404 Not Found' error when opening Outlook or clicking a link in an email, it usuall...
How to Fix PowerShell Update Not Working on Windows 10
If you're running Windows 10 and get an error when trying to update PowerShell—either via U...
Windows Update Stuck on Checking for Updates? Try These Fixes
You open Windows Update, click 'Check for updates', and it sits there spinning for an hour. This ...
Fix Windows Search Update Error 0x80070005
When updating Windows Search, you may encounter error 0x80070005. This usually means Windows Upda...
How to Fix Windows Update Stuck on Checking for Updates
If your Windows Update has been stuck on 'Checking for updates' for more than 15 minutes, you're ...
Topic paths
Quick titles
Fix OneDrive Sync Queue StuckFix Firewall Blocking Windows Activation ConnectionFix 'Windows Terminal Module Not Found' in VS CodeRestore Windows License After Installing UbuntuAdd Artisan to System PATH on Windows, macOS, LinuxFix Windows Update Error 0x8024401c Due to Network IssuesHow to Turn On Windows Defender After Group Policy BlockWindows Defender Service Won't Start Permission Denied