Knowledge base for software setup, errors, and daily tool work.

Fix Maven Dependency Resolution Failed in IntelliJ

Fix Windows Defender Proxy Error Not Working

You launch Windows Defender Security Center or try to run a scan, and you see a proxy error—somet...

Windows Terminal Port Allocation Troubleshooting

When Windows Terminal can't connect to a WSL distro, SSH host, or serial device, it often points ...

Fix OneDrive Sync Error 0x8004de40 on Windows

When OneDrive shows error 0x8004de40, it usually means a network problem is blocking the sync. Yo...

Chrome Extension Not Working After Update: Fixes

You update Chrome, and suddenly a favorite extension stops working—buttons missing, features gray...

How to Set Command Prompt as Default Terminal in Windows 11

Windows 11 ships with Windows Terminal as the default terminal app. If you prefer the classic Com...