I will fix common computer problems through various mediums:
E-mail me your problem, Video/IM chat via Skype, Remote Access through Windows Remote Access or TeamViewer. Some common problems include:
Internet connectivity
Printer connectivity/usage
Virus/rootkit/spyware removal etc. There are other problems I am capable of troubleshooting, so don't hesitate to ask.
Finally, if your computer is simply starting to become sluggish there are a few simple fixes I can show you or do myself.