Computers break down and produce problems for people on a daily basis. Things can go wrong, and sometimes, the problems are not even fixable--like a fried CPU. Sometimes some things just have to be entirely replaced.
Arguably, sometimes this is the fastest route to solving the computer problem. Troubleshooting hardware or software issues, depending how severe, can consume a considerable amount of time--especially for those who consider themselves technically savvy. Parents, family, friends, coworkers, strangers; if you're the computer "expert" in the group, they'll be knocking at your door soon enough.
The question of the day is: Are you finding yourself always fixing other people's computer issues?
If you are in this situation, what's the most common problems you're finding?