"Invoke or BeginInvoke cannot be called on a control until the window handle has been created"

Question

I can't use my recently purchased update (one month) to Trados 2024. When I try to work on a segment I get the error message "Invoke or BeginInvoke cannot be called on a control until the window handle has been created" and the program shuts down. I expect Trados 2024 to work as it has until now. 
 What I tried: 
 - uninstalling/reinstalling several times - didn't work 
 - pressed repair button - didn't work 
 I'm lucky that my Trados 2021 still works but what shall I do about 2024? 
 Please, help

Elisa Maxim · Accepted Answer

Aurelia Popa We will be pleased to help you with this problem so have logged a support case on your behalf. We do prioritise customers who have a support contract so please keep in mind it could take up to 48 hours, especially over a weekend, but rest assured we will contact you as soon as we can. You will be contacted at the email address used for this Community. Support Case Id : CS0039045.

Elisa Maxim| RWS Group

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"Invoke or BeginInvoke cannot be called on a control until the window handle has been created"