Separate names with a comma.
Try to use ABBYY Lingvo 12 dictionary. If you can't find a word you need in other dictionaries, just try to look up in Lingvo and you'll find it....
Now I'm using NOD 32 + Firewall ( I will never say the name of my Firewall). Also, I used to work with Norton, however it's terribly protecting...
Удали свой второй антивирус и заново установи NOD. Если все равно будет тормозить, то попробуй отключить расширенную эвристику.