I downloaded NIS 2009 as an upgrade but it won’t install. The error message says ‘Install Did Not Finish - A cleanup was performed…restart computer and try install again’. I have run CCleaner, run regedit (to remove the Symantec and Norton folders), run NRT (in both Normal and Safe modes) and it still gives me the same error message. I am now completely out of ideas! Any help would be greatly appreciated.