Interestingly..
Systems that do not have aterm installed which instead use LXTerminal displays errors when running Apps:
..Additionally, whether Apps is run with LXTerminal or aterm the failed status appears associated with unable to find *md5.txt for any selected extensions, which appears to be related the ongoing Apps Failed issue
I might add that this "Apps Failed" issue didn't start recently, iirc goes back to days of tc-4.x, but can't say when the issue began exactly. It's just that it's been occurring much more frequently of late.