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

Fix Git Clone Permission Denied (publickey) – Invalid Key

When you run git clone and get Permission denied (publickey) with a mes...

BitLocker High CPU Usage Caused by TPM: How to Fix

If your system is running slow and Task Manager shows high CPU usage from the System process or B...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist

If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...

How to Fix Task Scheduler Not Running on Ubuntu

If you rely on scheduled tasks on Ubuntu—whether via cron, systemd timers, or anacron—and they su...

Fix Chrome Startup Shortcut Not Working on Windows

You double-click your Chrome shortcut, but nothing happens—or it opens a different browser. This ...

Fix 'git remote add origin repository not found' Error