Ever since UP5, my Mint Update has only partially been working. It sits in my panel just fine and shows me when there are updates. Right clicking will get me Refresh, Information, and Quit. However, doubleclicking will not open it. I can't get it open any way. I was hopeful that UP6 would fix this, but it didn't.
I do leave it running to find out when an upgrade is there, but I have to use Synaptic to do all the actual updates. BTW, Software Manager works just fine and always has.
LMDE Xfce with full KDE on top as my main environment.
Thanks,
Clyde




