Getting this error on ALL ClickOnce application launches for a certain user. This started happening after a version upgrade (but happens to no one else).
I\'ve trie
Simple fix steps:
1) uninstall from control panel
2) delete "2.0" folder located in %user%\AppData\Local\Apps. You should now be able to re-install
"2.0"
%user%\AppData\Local\Apps