I eventually resolved the Dropbox problem I described below. I'm posting 
here in case others encounter it.


In a nutshell, the old Dropbox files were part of the Windows 10 backup. 
When I was trying to install something else on my laptop, I received a 
not-enough-space error. It was followed up by a suggestion that I could 
free up a lot of disk space if I removed my old Windows 10 files (from 
before the Anniversary Update). I went ahead and did it though some 
complications were involved, due to operator error, no doubt. Anyway, 
the old Windows files disappeared; my laptop gained a lot of lovely disk 
space; and the mysterious Dropbox files all disappeared, leaving me free 
to run the installer.


On 9/14/2016 2:15 PM, Ana G wrote:
> Hi All,
>
>
> Having uninstalled some apps from my laptop to run the Windows 10 
> anniversary update, I am now in the process of reinstalling the most 
> important ones. One such is Dropbox. When I run the installer, I hear 
> the progress messages telling me all is good, but when I get to 100%, 
> I hear that Dropbox has encountered Error 2. The dialog has a Close 
> button, which I can click with Jaws. There's also a Read More About 
> this link, which I can touch on the screen but which doesn't respond 
> to tapping, Jaws, or anything else.
>
>
> I found a forum discussion about Dropbox Error 2. Some people were 
> able to remove Dropbox hidden files by searching for "dropbox" in This 
> PC and deleting all the results; after that, they were able to run the 
> installation successfully. I searched for "dropbox" in This PC, 
> managed to delete most of them (some were reported as "not found"), 
> located another Dropbox item in c:\users\Ana\appdata\roaming, deleted 
> that, and still could not install Dropbox. I even tried Disk Cleanup 
> somewhere in there.
>
>
> Has anyone encountered this problem? If so, how did you resolve it?
>
>
> Ciao
>
>
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