Visual Studio 2012: Syntax Highlighting is turning off and on

Question

I\'m using VS2012 and I\'m quite happy with it. But the problem is, whem I\'m coding in C++, that the syntax highlighting is turning off an on all over again. Sometimes, the

Answer 1

I know this is a while ago but I have had this same problem appearing randomly until just now.

It would disable when the last line in a file was a single line comment. (// blah blah). As soon as i removed that the text highlighting worked again!