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

Fix 504 Gateway Timeout with Curl Command

When you see a 504 Gateway Timeout error, it means a server upstream (like a proxy or gateway) di...

Fix Firefox Secure Connection Failed Certificate Errors

You try to open a website in Firefox and see a full-page error: "Secure Connection Failed" with a...

How to Fix 'File Locked by Another Process' Error in PowerShell

When you run a PowerShell command that reads, writes, or deletes a file, you might see an error l...

Fix PowerShell High CPU Usage with Permission Denied Errors

You open Task Manager and see PowerShell consuming a high percentage of CPU. At the same time, yo...

Install NuGet Provider Manually Without Internet

Fix 'slmgr Command Not Found' in Windows 10 Activation

If you see 'slmgr' is not recognized as an internal or external command when trying ...