Time Machine back up access
Hi,
I'm running El Capitan on a 27" iMac. I've had time machine backing up since April which it has been doing without a problem. However, I've just tried to go into the app to receiving something and the app won't open. I doesn't do anything, just bounces a couple of times and then nothing. I've tried opening from the dock and the app folder.
Any advice?
Thanks
Mark
iMac (27-inch, Late 2013), OS X El Capitan (10.11.6)