Nero 12 won't launch. Side-by-side error.

I downloaded Nero 12 from an email I received from tech support after I replaced my PC. I got a "side-by-side" error popup when I tried to launch it. This was about six months ago. I tried redownloading several times but the error kept reoccurring.

I gave up because I was using Windows Movie Maker, but the lack of functionality drove me to try Nero again.

Here is the error window:
1 person has
this problem
+1
Reply