We always advise patching. Patch, patch, patch.
While its generally good in principle there are times when patches go bad. A recent Windows update came down the pipe and had a BIG problem with a particular line of HP printers.
Of course, if you can’t do it yourself (it happens!), call Q&A at (808) 243-7600 from Monday through Friday, 8:30am – 5:00pm!