
Fix PowerShell Invalid Configuration After Update
After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...
Software troubleshooting desk

After a Windows or PowerShell update, you may see errors like “Invalid configuration” or “Configu...

When you run Invoke-WebRequest in PowerShell and get a 404 Not Found

You're in the middle of a call or trying to send a message, and Teams shows a connection timeout ...

When Microsoft Teams shows a 404 Not Found error, it usually means the app can't reach the server...

When Outlook repeatedly prompts for credentials or shows authentication failed error 0x80...

If Microsoft Teams is slow to connect, drops calls, or fails to load, your network configuration ...