hijacked and screwed!!!

[wojo629]

o someone please help!! was hijacked by ewebsearch (very nasty, more on this later)and now my computer is very sick!
problems:
IE>tools>internet options: no access, the following message pop ups: "restriction: this operation has been cancelled due to restriction on this computer. contact system administrator."
start>settings>control panel>internet options: the ability to reset home page is grayed out.
my computer>system info>internet: my IP address is not there anymore.
try to download ANY software proggies for trojan/spyware/hijack detectors and i'm not allowed, error 403,
have run: NAV 2003,
Ad-Aware,
SpyBot, nothing found.
all are updated and current.
ZA Pro found nothing,
Did remove 3 offending lines in reg, HKLU.
Reset IE via Add/Remove.
Tried to sign up @ SpyWareInfo forum and cannot get a response, they say within ten minutes, has been 45 minutes.
something weird going on here, and i'm at my wits end!!