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Cannot sign into Power Automate Desktop - "Sign in to your account" screen blank

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Posted on by Jacobus_Toua

Hi All

Please Assist - I cannot seem to log into Power Automate Desktop with my Work Microsoft Account. It is the only one I use and have not had any such an issue with any other app. I only get a blank screen when I expect to enter my password / credentials

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Power Automate Desktop

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eric-cheng 5,171 on at

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Hi @Jacobus_Toua ,

Can you check the following:

1) Restart and retry
2) Minimal requirements here for PAD are met.
2) Uninstall and reinstall latest version here
3) Anti virus on system or company firewall/proxy blocking it?
4) An environment with a database

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CFernandes 8,402 Most Valuable Professional on at

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Hey @eric-cheng.

In addition to @eric-cheng update.

Please try to clear the cache -%localappdata%\Microsoft\Power Automate Desktop\Cache

And then then to sign-in again.

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Riyaz_riz11 3,856 Super User 2025 Season 2 on at

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Hi @Jacobus_Toua

You can delete the file from pad and try again,
Path:"C:\Users\usersystem name\AppData\Local\Microsoft\Power Automate Desktop\msalcache.bin3"

delete this file nd try again
usersystem name= your system name k

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Regards,
Ahammad Riyaz

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Jacobus_Toua 10 on at

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Hi @er thanks for the reply tried 1 - 3 . but no success. I don't know what nr 4 would entail.

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Jacobus_Toua 10 on at

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@CFernandes thanks - I tried it, go to the cache & deleted but same problem persists..

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Jacobus_Toua 10 on at

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Hi @Ahammad_Riyaz - only files I can find

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Jacobus_Toua 10 on at

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I deleted the cache files - but no success 😞

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tkuehara 667 on at

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Hi @Jacobus_Toua

Were you able to use PAD before or is it first use?
Check the logs at "C:\ProgramData\Microsoft\Power Automate Desktop\Logs", it might give you a hint of what is blocking you from login. Be prepared to go through a ton of files though.

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misquote 2 on at

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Any update on this issue? I am experiencing the same as well. I've moved the server to an OU with a GPO block. This presents the login screen, but creates other issues. Now it's down to hunting which GPO and setting is the culprit.

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Jacobus_Toua 10 on at

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Hi All, update. Issue has been sorted with significant pain. I updated to windows 11 (although i experienced the problem in Windows 10 already). In short - problem is unfixable in Win11 in its current form as it has discontinued Windows explorer. To fix the issue I had to format and revert back to 10, thereafter reset Internet Explorer setting to default - as below screen (bottom left corner).

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