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

Fix OneDrive 404 Not Found & File Access Denied Errors

You try to open a file in OneDrive and see a 404 Not Found message, or you get an Access Denied e...

Fix Windows Defender DNS Error Not Working

You open Windows Security and see a warning that Windows Defender isn't working, often accompanie...

Fix OneDrive 504 Gateway Timeout Error Code

If you see a 504 Gateway Timeout error when using OneDrive, it usually means the server is not re...

Fix Microsoft Store 'Port Already Allocated' Error via Firewall

When launching the Microsoft Store, you may see an error like 'Port already allocated' o...

Install NuGet Provider Manually Without Internet

Fix Windows Defender Access Denied in Safe Mode

You may see an 'Access Denied' error when trying to open Windows Defender in Safe Mode. This typi...