Hi,
I’ve just looked into one of the similar dumps we currently have on the same address and we are not doing anything strange (in fact we are doing almost completely nothing) in this case. aswTdi works like a filter driver, some of the network requests are interesting for it and others not. In this case all it does is simply forward the request down without any processing.

The actual error seems to be in here: nt!KeSetEvent+0x30, which apparently means the original parameters (e.g. the Event object) are somehow invalid.

I suggest contacting COMODO as their driver is higher on the stack and the request is most probably created by them. (and if not, only them with their private debugging symbols might tell us more)

On the other hand, as I have still not seen YOUR dump, I might be mistaken.
Lukas.