System with Windows 7 and office 2010 has come up with a weird problem, of Copy and paste not working. If you rely Excessive on Copy/paste then this problem should be definitely occurs.
Office 2010 has major problem with copy /paste where your excel does not copy the content with formula to another cell or copying from excel to outlook. This works for first instance and later it stops working.
Copy and paste does not work – when clipboard memory is full, sometimes clearing this does not work.
Only solution left is to reboot. which is very much annoying to do every time problem occurs.
Desktop Support Engineers can try using the Cache clearer Ccleaner to frequently clear the cache from the Clipboard.
Solution for fixing Office 2010 copy and paste not working problem
The Problem is occurring due to the Clipboard cache issue,where it does not clear off when full.
The solution to this problem is clear the clipboard cache by using Advance System Care from IOBIT software, just need to unchecke the “Clean Clipboard”
Download free full version Advance System Care software
* If the Paste Button is disabled, then this problem could occur. For me this problem occured due Skype addon which disabled the paste button inthe excel sheet. Removed the skype , copy paste problem got resolved.