Look in the logs described in this article. If you find a panic report, you are welcome to cut-and-paste the text here for readers to analyze. The amount of data is less than a photograph, not to worry.
No way to tell from the log other than it crashed.
If you think it's the cause, then uninstall it. But if you are having random crashes then more must be going on. True random crashes can be caused by nearly anything. If you get a kernel panic, then post the panic log - Mac OS X- How to log a kernel panic.
But you will need to provide more information than you have to diagnose the problem. Could just be the computer is 7 years old. Could be marginal RAM. Could be the hard drive. Could be the OS is corrupted.
Visit The XLab FAQs and read the FAQ on diagnosing kernel panics.