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 listEnable Windows Defender After Disabling Third-Party Antivirus
If you've disabled or uninstalled a third-party antivirus and now find Windows Defender is not au...
MongoDB Authentication Failed After Upgrade: Fixes That Work
After upgrading MongoDB, you might see "Authentication failed" even though credentials haven't ch...
How to Fix Command Prompt Not Responding in Ubuntu
If your terminal (command prompt) in Ubuntu stops responding—no cursor, no output, or it freezes ...
Fix Windows Search Connection Refused Due to Firewall
If Windows Search gives you a "connection refused" error, it usually means the firewall is blocki...
BitLocker Auto-Unlock Not Working with TPM: Fixes
You've set up BitLocker with a TPM, and it used to unlock your drive automatically at startup. No...
Topic paths
Quick titles
Windows Activation Update Error: Step-by-Step FixHow to Fix Microsoft Teams Permission Denied ErrorRestore Default PowerShell SettingsBreak the Windows Update Restart LoopWindows Update Fails Due to DNS? Here's How to FixHow to Fix 'Permission Denied' in Command Prompt for Locked FilesWindows Defender Permission Denied on Ubuntu Files FixHow to Clear Chrome Profile Cache Without Losing Passwords