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

How to Fix High Memory Usage by cmd.exe

If you notice that cmd.exe is using a lot of memory—sometimes hundreds of megabytes—it's usually ...

Windows Defender Troubleshooting Checklist for Beginners

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix PowerShell Blank Screen on Windows 11

If you open PowerShell on Windows 11 and see nothing but a blank window—no prompt, no text—the sh...

How to Fix Chrome Authentication Failed Due to Proxy Settings

If you see 'authentication failed' in Chrome when trying to access a website, your proxy settings...

Fix Chrome Profile Connection Timeout Error: Step-by-Step

You start Chrome, and instead of your usual pages, you see an error: "Your profile was unable to ...

Fix OneDrive 'Command Not Found' Error on Linux and macOS