When debugging asp.net code (running against IIS, and using Visual studio 2013) and in a breakpoint and trying to evaluate a variable using quick watch i quite often get \"u
I faced it today with VS2013.
Goto Tools --> Options --> Debugging --> General --> Scroll to the bottom for "Use Managed Compatibility Mode" and Select the option.
Screenshot from the blog(url below):
Restart you debugging. Hope it helps others.
What Helped Me is below!
Visual Studio 2013 Could not evaluate Expression Debugger Abnormality turned out to be very helpful.
Also, you could see @Dreamers answer Unable to debug managed code using visual studio 2013