I know of a few but they're fairly specific in what they 'cater' to.
Are you trying to install/upgrade software? Then I'd try to ctc. the mfgr. of the software. Are you trying to install a piece of hardware? The I'd try to ctc. the mfgr. of the hardware. Are you trying to create more mail accounts at your IS? Then I'd try to ctc. the ISP you subscribe to.
There are TONS of Computer Forums on the WEB. If you bought your PC from, say, Gateway, they have their own Forum. Also, there are NewsGroups that might be able to help you. If you want to post your 'general question', then perhaps I/we can 'point' you in the right direction with either a 'fix' or a Forum. Let us know.