Crossloop

Crossloop -- Wow. Ever run into problems with your computer and you only wish your computer savvy friend was standing right there over your shoulder so they could fix it for you? Well, now they can do exactly that through cyberspace. Crossloop allows you to pick a unique password that's good for one use and it allows any two Windows PC's to connect so that computer savvy pal can actually get into your computer system. They cannot connect to you again until you choose a new secret password. The service is free and does not require registration with their website.