Fix Visual Studio Installer Stuck on Preparing Files
You start a Visual Studio installation or update, and the installer sits on "Preparing files" for...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listFix Windows Defender 404 Not Found After Update
After installing a recent Windows update, some users find that Windows Defender is missing or sho...
Fix Windows Defender Error 0x80070643 on macOS
If you see error 0x80070643 when installing or updating Windows Defender on a Mac (via Parallels,...
Fix Windows Defender Service Missing After Antivirus Uninstall
After uninstalling a third-party antivirus program, some users find that Windows Defender is miss...
Fix Windows Update Error 0x80070643 on Windows 10
When running Windows Update on Windows 10, error 0x80070643 typically appears with the message "T...
Fix Windows Defender Token Expired After Update
After a Windows update, you might see an error that Windows Defender's security token has expired...
Topic paths
Quick titles
Launch Chrome with Desired Profile at LoginMicrosoft Teams 404 Error FixTroubleshooting Error 0x80070643 with Windows Defender on MacHow to Resolve VirtualBox Kernel Driver Issues After UpdateWindows Security Login Loop Fix GuideHow to Fix 'File Locked by Chrome' ErrorHow to Identify Outlook Version DifferencesFix Blank Task Scheduler with Registry Permissions