
How to Fix Microsoft Teams Blank Screen on Startup
You open Microsoft Teams, see the login screen, and then—nothing. A blank white or gray screen. T...
Software troubleshooting desk

You open Microsoft Teams, see the login screen, and then—nothing. A blank white or gray screen. T...

You’ve lost emails, calendar items, or contacts after an Outlook crash or migration. A proper bac...

You may see an error like “Windows activation invalid configuration” or “License is corrupted” af...

You open Command Prompt and see an error like "Invalid configuration" followed by a code...

You've waited for a Windows update to finish downloading, but it hangs at 100% and won't install....

You open Event Viewer and see Event ID 101 under TaskScheduler with a message about an invalid co...