This is a very common error faced by the Avast users, in order to get this fixed it is advisable that the user opens this file by right clicking on it in order to inspect all the content of the file, the user can also remove the problematic content from the file by clicking on edit then type REM followed by a space in front of the line. If the error still continues to get you into problems then for help ask the experts and if you still need more help or support then ask help from the experts at Avast help number & http://www.avast-phone-number.com/