some body may help me? i am working with a portable program named light image resizer, any time i try to start it every thing will be blocked by avast, and i must restart the computer, the only possibility to use the program is lock avast.
I am sure that the program it is virus free
thanks for helping me
Hugo 
You can report a possible FP here: http://www.avast.com/contact-form.php
thanks for your answer, but when i try send the request the page became aut of service
ugo
You can also send it via mail: virus[at]avast.com
Make sure when you email them title it āFalse Positiveā. Attach the file in a .RAR format. If your Email Provider gives you issues. Password protect it to something like āFalse Positiveā and make sure you give them the password.