Cannot uninstall Microsoft SQL server 2008 R2 : When I'm trying to uninstall Microsoft SQL server 2008 R2, the window with "Please wait while SQL Server 2008 R2 Setup processes the current operation" pops up and stays forever. 

I've found solutions to this problem but it was when someone was trying to install server, but not uninstall.

Have anyone faced the similar problem and managed to fix it?

Thank you. 