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

Fix Nginx 404 Not Found Caused by Missing Index File

If you see a 404 Not Found error in your Nginx server and the requested path seems correct, the p...

Fix PowerShell Remote Connection Refused Error

Fixing Windows Security Connection Timeout Error 0x800705b4

If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...

Fix Windows Defender Error 0x80070422: Cannot Connect

If you see error 0x80070422 when trying to open Windows Defender Security Center, the service is ...

Fix PowerShell Profile Configuration Not Working

You've edited your PowerShell profile, saved the file, and restarted the console—but your custom ...

How to Fix Remote Desktop Services 504 Gateway Timeout

If you're getting a 504 Gateway Timeout when connecting to Remote Desktop Services, the gateway o...