The fact that it's only kevs's login items that are affected leaves me scratching my head and wondering if maybe /Users/[kevs]/Library/Preferences/com.apple.loginitems.plist is somehow hiccuping and bringing those apps down.
Think trashing the plist is worth the effort?
The new Great Equalizer is the SEND button.
In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire