I chatted with Omnitech Support after getting a DKSERVICE.EXE error code on start-up of my computer. I think I got their name from Microsoft. After about 3 hours of the tech trying to eliminate the error code, he rebooted my computer and the code was gone. I agreed to pay $299.99 for 15 months of service and 12 months of computer "optimazation". The error code came back later that day and a went online with them again to solve the problem. Again, the code went away on reboot, but returned the next day.
I called Diskeeper, which is what I should have done in the first place, but I thought MS would send me to where I should go for support. At any rate, Diskeeper solve the problem for free in about 20 minutes. I chatted with Omnitech Support again, told them that the error returned again, told them what I had done and asked for a refund. The refund was initiated and I received an email 3 days later that my refund went through with a $49.99 fee taken out for "initial problem resolution". I called the company and was told, after about 20 minutes that the fee would stand because I had told the tech that the error code was gone.
Long story short, I should have looked at the other reviews that said pretty much the same thing that I am complaining about. A fee was charged to fix a problem, and then the problem came back. I would NEVER recommend that anyone use this company. Their solution tomy Diskeeper problem ended up being to turn off Diskeeper and charge me for optimization that I could have done myself if they had only really "fixed" the problem. Be very cautious!