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 listCheck Which Process Is Using a Port on Windows
When a service or application fails to start because a port is already in use, you need to identi...
Fix Windows Activation File Locked in Safe Mode
Users sometimes find that after booting into Safe Mode to troubleshoot a system issue, Windows ac...
How to Increase PHP Memory Limit for Composer
When running Composer commands, you may encounter errors like Allowed memory size of X byte...
Fix Microsoft Store High CPU Usage & Error 0x80073cf0
You open the Microsoft Store, and your CPU fan spins up. Task Manager shows Store using 30-50% CP...
How to Fix PuTTY Connection Refused Error
You open PuTTY, enter your server IP or hostname, click Open, and get "Connection refused...
Topic paths
Quick titles
Windows System File Repair: SFC and DISM GuideApache Service Not Starting: Troubleshooting ChecklistSQLite Locked Error Python TroubleshootingHow to Resolve Microsoft Store App Version MismatchTroubleshooting Cloudflare 522 Timeout ErrorsResolve Error 0x800f081f Using System File CheckerHow to Fix Windows Update Error 0x80070057 Token ExpiredHow to Resolve Git Pull Merge Conflicts