ESET NOD32 v4 web access protection problem

We've had NOD32 v4 installed and running great for a month or two without problem. Today however we are having problems accessing an internal website getting this error a lot: "Bad Request (Invalid Verb)"

Adding the site into the "web access protection" exclusion list didn't fix it, but disabling "Web access protection" completely did. Obviously this is not ideal. Any ideas what is causing this problem and/or how to fix it?

PCs are all WinXP SP3
NOD32 v4.0.424.0
Virus sigs 4260

Internal webserver is Windows 2003 SP2 running IIS6

Thanks in advance!

Paul

 

while you wait to be fixed, if possible, your machine are still protected just as well with real time monitor