Fix Microsoft Teams 404 Not Found Error When Loading Apps
You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listMaven dependency resolution failed after adding new dependency
You added a new dependency to your pom.xml, and now Maven fails with a resolution er...
Fix Command Prompt 502 Bad Gateway Due to DNS Issues
If you're seeing a 502 Bad Gateway error while using Command Prompt to access a web service or AP...
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 Update ‘Authentication Failed’ or ‘Password Incorrect’ Error
You try to check for Windows updates and see an error like “Authentication failed” or “Password i...
Fix Chrome Profile File Locked Without Deleting Profile
You try to launch Chrome and get a message that your profile is locked. This usually happens afte...
Topic paths
Quick titles
Microsoft Teams Slow? Try These Configuration Best PracticesBitLocker 502 Bad Gateway Error TroubleshootingFix Windows Defender 404 Error: Step-by-StepWindows Terminal Not Opening After Settings Change FixTroubleshooting Windows Search Invalid ConfigurationCommon Windows Activation Problems and FixesWindows Defender Rate Limit Error After Update FixError 0x80070424 When Updating Apps in Store