Copypaste not working in Visual Studio Solution Explorer

Question

Copypaste works well in any file of project but not working in Solution explorer.

The paste item appears disabled in menu after right clicking on folder in Solution Explorer. Not dependent on project. Save mode doesn't help.

Answer 1

Problem disapeared after closing CoolNovo (ChromePlus) browser. I don't know how it was connected so I've turn back to Crome.

Answer 2

Install VS 2010 Service Pack 1

Download from here