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 ...

BitLocker 502 Bad Gateway Troubleshooting Checklist

When you encounter a 502 Bad Gateway error while managing BitLocker, it usually ...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...

Fix OneDrive File Locked by Office Document Sync Issue

You open an Office file from OneDrive and see an error that the file is locked or in use by anoth...

Fix PowerShell Profile Causing Blank Screen at Startup

You open PowerShell, see a blank screen with no prompt, and the window appears frozen. This usual...

Fix Windows Update Authentication Failed After Password Change

You changed your Windows password, and now Windows Update shows an authentication failed error. T...