Fix Gradle Build: Could Not Find or Load Main Class
When a Gradle build fails with Could not find or load main class, it usually means t...
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Fix Windows Defender File Locked Error
When Windows Defender (Microsoft Defender Antivirus) locks a file, you typically see an error lik...
Fix Chrome Profile 502 Bad Gateway on Windows
You open Chrome and see a 502 Bad Gateway error tied to your user profile. This ...
Windows Update Cleanup Stuck After Installing Updates
After installing updates, Windows may get stuck on the cleanup phase. The screen shows 'Cleaning ...
UFW Port Issues: A Practical Troubleshooting Checklist
When a service won't accept connections, UFW is often the first suspect. This checklist walks thr...
Fix OneDrive Sync Connection Refused on Windows 11
If you see "connection refused" when OneDrive tries to sync on Windows 11, the app can't reach Mi...
Topic paths
Quick titles
How to Fix Windows Smart Card Authentication Failed ErrorHow to Enable Task Scheduler Command in Windows 10How to Fix Teams No Audio Device DetectedFix Docker Compose Network Not Found ErrorUbuntu 'Command Not Found' Error Fix GuideTroubleshoot Outlook Snap Crash on UbuntuStep-by-Step Windows Activation Backup and RestoreFix Scheduled Tasks That Fail After Windows Migration