After installing Studio 2021 none of the plugins work, despite having them upgraded to the 2021 version. As a result we are not able to use Deep L MT anymore. I tried everything I found on the Internet and in your Community Help group. I always get the message "An unexpected error has occurred while loading the application plug-ins", and that even after uninstalling all the plugins.
Is there a solution?
Bert
Bays translations
I suggest you remove all of your plugins from all the affected folders and then reinstall them using the AppStore Integration. To do this follow these steps:
If for some reason you still get the error message after removing all the plugins you will need to reset Studio. Rename this folder (just add _old to the end or something, it's not important what you rename it to) and restart Studio:
c:\Users\[USERNAME]\AppData\Roaming\SDL\SDL Trados Studio\Studio16
So the path would become this:
c:\Users\[USERNAME]\AppData\Roaming\SDL\SDL Trados Studio\Studio16_old
If you can't find this folder then you need to unhide your hidden files/folders:
Paul Filkin | RWS Group
________________________
Design your own training!
You've done the courses and still need to go a little further, or still not clear?
Tell us what you need in our Community Solutions Hub
I suggest you remove all of your plugins from all the affected folders and then reinstall them using the AppStore Integration. To do this follow these steps:
If for some reason you still get the error message after removing all the plugins you will need to reset Studio. Rename this folder (just add _old to the end or something, it's not important what you rename it to) and restart Studio:
c:\Users\[USERNAME]\AppData\Roaming\SDL\SDL Trados Studio\Studio16
So the path would become this:
c:\Users\[USERNAME]\AppData\Roaming\SDL\SDL Trados Studio\Studio16_old
If you can't find this folder then you need to unhide your hidden files/folders:
Paul Filkin | RWS Group
________________________
Design your own training!
You've done the courses and still need to go a little further, or still not clear?
Tell us what you need in our Community Solutions Hub
After uninstalling all the plugins, and changing Studio16 to Studio16_old I still get the message 
Please can you save the error stack to your desktop and then attach the file to your response:
Just in case it's the same as this KB error please follow the steps in here as well:
https://gateway.rws.com/csm?id=kb_article_view&sysparm_article=KB0037295
If that doesn't help I'll engage a support engineer to look at this with you.
Paul Filkin | RWS Group
________________________
Design your own training!
You've done the courses and still need to go a little further, or still not clear?
Tell us what you need in our Community Solutions Hub
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