>>Hmm. Worked for me (but I wish I hadn't tried it :-{
>
>Ah, sorry :)
>
>>Maybe it's version dependent. Googling suggests that this info might also be in
>>.....\Application Data\Microsoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin
>
>I wish it could be like Terminal Server where we could just go in the Registry and remove those entries we do not want.
>
>Thanks for the reference

Also : Did you close SSMS before deleting the mru file?. If you didn't then SSMS probably rewrote the whole think out again on closing.