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

How to Fix Nginx 404 Not Found with try_files Directive

You've set up your Nginx server block, but visiting your site returns a 404 Not Found error. The ...

How to Fix Windows Activation 502 Bad Gateway Error

If you're trying to activate Windows and see a '502 Bad Gateway' error, it usually means somethin...

PowerShell Command Not Found but Works in CMD

Fix Remote Desktop High Memory Usage When Idle

You connect to a remote machine, step away for a few minutes, and come back to find the remote se...

Fix Windows Defender Dependency Conflict with Group Policy

You might see an error like 'Windows Defender dependency conflict' or find that Defender won't st...

How to Fix Windows Terminal Blank Screen on Startup

If Windows Terminal opens to a blank screen—no prompt, no text, just an empty window—you're not a...