The web and mobile version work fine.
These actions did not help
I looked for the latest logs but saw no errors that displayed issue - https://docs.microsoft.com/en-us/microsoftteams/log-files
What else can i try?
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So after a second uninstall, reboot and reinstall it all started working again.
The only different thing may be the first teams install download was from the MS site. The second was from the Corporate web app link.
I was Not impressed with the unhelpful error message!