How to fix the Sign In error - "The given key was not present in the dictionary"

Quick solution to this rare error, in case you encountered it when trying to Sign In to Cloud from your UiPath Assistant:

The given key was not present in the dictionary

It is caused by the robot process not properly restarting after the auto-update of your Studio.

The quickest fix is to restart your machine.

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I’m restart UiPath Assistant would resolve this issue as well.

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Thanks so much!! Restarting my machine worked like a charm!!

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Had the same error on a Windows Server where high-density bots reside.

Restarting a server is not trivial, but after the restarting ticket was resolved by the Help Desk, the issue was resolved.

Thanks!