First three things to try:
1) Rename the AVI folder to AVI_back
2) Set the color depth to 16BIT
3) Make sure nothing is running in the background like Virus protection, ICQ/Messager ...
1) Rename the AVI folder to AVI_back
2) Set the color depth to 16BIT
3) Make sure nothing is running in the background like Virus protection, ICQ/Messager ...