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

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 ...

PowerShell High CPU Usage Troubleshooting Checklist

If PowerShell is consuming high CPU, the system may become sluggish or unresponsive. This checkli...

Command Prompt Setup Guide for Beginners

What is Command Prompt?

Command Prompt is a text-based interface in Windows that lets you...

Fix Chrome Proxy Authentication Failed Profile Error

If you see 'proxy authentication failed' when using a specific Chrome profile, the browser can't ...

Fix Windows Defender Offline Scan Not Working on Windows 10

When Windows Defender offline scan fails to start or complete on Windows 10, you might see an err...

How to Fix Git Push Non-Fast-Forward Error

When you run git push and get an error like ! [rejected] main -> main (non-fas...