Additional sign-in or account-related issues within Microsoft Teams for business
Hello Lößlein, My name is Indhurani, I'm sorry that you are experiencing this issue, and I will try my best to assist you.
Sometimes, desktop apps can malfunction and prevent you from using them. Mostly, they’re accompanied by an error code that directs you to address the underlying issue. For the Caa5004b error code in Teams, some of its main causes include:
> Outdated application – Some applications may become unresponsive if not updated with the latest features.
> Corrupt cache – Over time, the Teams folder accumulates a cache, which can get corrupted if not cleared regularly.
> Internet connection issues – If your connection is slow or unstable, you may have trouble logging in to your Teams app.
A few basic steps that may resolve the issue include:
Clear the Teams app cache
- If Teams is still running, right-click the Teams icon in the taskbar and then select Quit.
- Open the Run dialog box by pressing the Windows logo key +R.
- In the Run dialog box, enter %appdata%\Microsoft\Teams and then select OK.
- Delete all files and folders in the %appdata%\Microsoft\Teams directory.
- Restart Teams.
Update Teams: https://support.microsoft.com/en-us/office/upda...
Hope it will be fixed. Please let me know if you still need further assistance.
Regards,
Indhurani