I've been having issues with Dropbox as of about a month ago - Windows 10, older Ryzen processor, desktop app.
At first, the sync attempts would hang up - it would constantly show it as syncing, and nothing I did would get it to stop. This included resets.
Now today, it kept asking for updates - asking to run as administrator to do so, but never finishing the process after repeated acknowledgements.
I went through an uninstall - it hung up on uninstall. I went to the forums to learn how to do a deeper uninstall and did that. Reinstalled the app on my PC.
Now it won't start when Windows starts up, and when trying to start it manually, it hangs up.
I've uninstalled it completely from my PC and won't be installing it again as I'm not sure what can be done that I haven't already done. I want to let folks know that there is something not right with it and my PC anymore, and I'm tired of fighting it. I'll deal with it through the web, as much as I'd rather not deal with it that way either. The desktop app is really convenient - or at least it was.