Hey @remi4; welcome to our Community and thanks for joining the discussion here.
Can you please let me now your computer's OS and build and also provide some additional information regarding the issue you're experiencing?
If you're getting any specific errors, please, send us a screenshot so we can have a further look into this.
Thanks!
PS: You can find a list of our official installers in the link below, in case you want to give our latest, stable version (v. 104.4.175 at the moment) a go:
https://www.dropboxforum.com/t5/Desktop-client-builds/ct-p/101003000