Cut and copy in excel 2010

Not certain this will fix it but it should.

Right click on one of the sheet tabs.

Select "View code" from the popup.

From the "View" menu select "Immediate Window" if it's not already displayed.

Paste the following statement in the "Immediate Window" and press enter. 

Commandbars("Cell").Reset

(Be sure the cursor is on the same line as the statement beforehand)