Problem avi2dvd

Help, i use aviconverter from boilsoft & ffdshow and had no problems.
until 2 days ago all of a sudden i got this error message.

Application Error: Aviconverter.exe, v2.4.8.1
Module: FFDShow.ax, v1.0.0.1 Error:0x0003c59f
Can someone help please :confused:

Try unstalling the software and re-installing it.