You can also try to run a check disk - often the software freezes just because of the disk error - when the process cannot read the data from the hard disk.
Check your system with this powerfull specialized utility: IT Sponge.
So, here comes a time to do some DYI Windows maitenance: If the process is freezing again and again, it indicates a deeper problem in your system.
Start task manager and kill the ivms-4200.exe in it.
However, if the problem persists, you can try this two quick solutions: Modern Windows can often recover and mostly you can simply start ivms-4200.exe again and continue in your work. This problem is more serious in older versions of Windows, say XP (which you should not use either). The (un)famous message appears: ivms-4200.exe is not responding and will be terminated. The typical situation is: you "click on something", Windows appears to be frozen, and after several seconds (or minutes, if you are really lucky :-), What to do if ivms-4200.exe is not responding A general guide for all versions of Windows, including XP, Vista, Windows7, 8 and Windows 10