I am running Windows 10. A few weeks ago, applications at random give me this message when I try to copy something to / from the clipboard.

Cannot open clipboard

Cannot Open Clipboard

If I reboot, then the same application works. Any ideas anyone ?

  • lbview isn't a standard application. Does this happen in Safe Mode. You clearly have an application that is causing this problem. Use Autoruns to determine which application it is – Ramhound Mar 4 '16 at 1:50
  • That's an example. It has nothing to do with a particular application. Different ones exhibit it at different times. None of these applications are newly installed. And they used to work fine. – Rohit Gupta Mar 4 '16 at 1:53
  • Do the rest of my suggestion. – Ramhound Mar 4 '16 at 1:57
  • Check this Clipboard Debugging program here: answers.microsoft.com/en-us/office/forum/office_2010-excel/… Should tell you which program is locking the Clipboard. – w32sh Mar 4 '16 at 4:14

Repair office

  1. Run(Ctrl + R): appwiz.cpl
  2. Right click on Microsoft office
  3. Click repair
  4. Reboot and test
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