Since there is so much going on in everyones life these days, I figure I will give you some real quick tips.
Update your anti-virus, anti-malware, anti-spyware software.
Perform a backup, an incremental would be good. Check out the several other articles on this site about this.
If a program crashes, save everything and reboot the PC. If one crashes the tendancy is for it to crash and cause other programs to start crashing. Just reboot, that solves a lot of ills.
That ought to be short and sweet enough, have a virus free day!