Abstract:
The folder located at C:\Users\Justin\AppData\Local\Microsoft\Windows\WER was sucking a lot of HD space. Is it safe to delete? How?
Solution:
Fire up "Disk Cleanup" and you should be able to remove the WER files.
Some users may see a HUGE file size showing up. http://www.winhelponline.com/blog/serious-disk-cleanup-problem-caused-by-broken-registration/