Problem with CFP v2.4

конецформыначалоформыAt installation of the program Comodo Personal Firewall
there is an inscription:

Access violation at address 00504A7E in module ‘dmaster.exe’.Write of address 028E4F18

At a forum I could not find the answer on the given question.
The program is established, but I cannot enter a code of activation as the given window is not active. I can expect for what help?
I do not know how correctly to act in this case.
Similar, that in my computer there is a nocuous program. Whether I can get rid of it with the help Comodo Personal Firewall
Prompt, what I should undertake?