It's important to find a balance in the spectrum of resolution (and life! :).
Too frequently I find people who get exasperated and want to reboot the machine to fix the problem. It usually does fix the issue but at the cost of disconnecting users and disrupting services.
My Host O/S is Linux however I believe people use the reboot-option too frequently on Windows (and on Linux/Unix). For newbies, it's certainly the best way to go but for professionals, I'd suggest taking the time to find the root-cause.
However, as steve (on dslreports.com) succinctly stated recently:
I'm old enough that I can live without getting to the bottom of this.