Hello Bert Huisman 

Please try to access "Licenses and subscriptions"  page from another browser to see if it works. From there use the Reset License button to reset you license and then try to activate your license offline on the new PC as described in this article: https://gateway.rws.com/csm?id=kb_article_view&sysparm_article=KB0039784

In case you have Windows 11 installed on the new PC, follow these steps before activating the license: In Windows search bar type "Device Manager" and open it and then go to: Network Adapters - Action - Add Legacy Hardware - Install the hardware that I manually select from a list - Network adapters - Choose a network adapter (Microsoft > Microsoft KM -Test).

Thank you,
Sorin

Thanks Sorin Perta !

In Edge the "Licenses and subscriptions" page opens instantly, showing my Studio 2019 license. However there is no Reset button...

Best,

Bert Huisman

Docs-consult

Hello Bert Huisman 

You still have one activation Available, try to activate that one on the new PC. 

Afterwards, the Reset License Button will become available and you can reset the license stuck on the old PC.

Thank you,

Sorin