Sorry, Lightroom Classic has encountered an error and needs to close

Question

Just purchased the photograph plan and installed the creative clouds in the Windows. I got this error message when trying to open the lightroom: 
 
"Sorry, Lightroom Classic has encountered an error and needs to close.
You will not be able to use Lightroom Classic at this time. Please contact customer support and use the reference code 205 for more information on how to resolve this issue."
 
I only subscribed Lightroom in the mobile phone before, and I really have no idea how to resolve the issue.

[moved from bugs to discussions according to the community rules - Mod.]

grahamd75767500 · Answer

GoldingD answers do not work. However anyone else coming to this issue, the fix is much simpler.

Open adobe creative cloud and sign out of your account, after this it will ask you to sign in, but dont do that and just close creative cloud.
Open up the program you want to use, eg Lightroom Classic, and wait a couple seconds. It will then ask you to sign in. Dont click on the sign in yet and allow for maybe around 10 seconds for the pop up to load properly.
Now put in your login credentials and the program will start like normal.

Problem gone. No calling support, no uninstalling everything and using CC cleaner, just sign out and sign in.

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