Hi everybody, Congratulations. I had this problem with movie maker and said to me this error:
The file E:\alefba\AVSEQ01.avi cannot be imported because the codec required to play the file is not installed on your computer. If you have already tried to download and install the codec, close and restart Windows Movie Maker, and then try to import the file again.
But I have solved it, you want to know how? ok. read below:
1-open movie maker
2-go to the tools — >optins menu.
3-go to the compatibility at the above of window.
4- at the filter box, check the “ffdshow mpeg-4 video decoder”
5- push “ok” bottom.
6-import your .avi video and enjoy it.
(if you do not have this option to check you can download this codec from “http://www.free-codecs.com/FFDShow_download.htm”) 
Thank you for sharing your fixes, but please, next time, do not make multiple topics with the same contents.
WTF??!!Mine doesn’t have compatibility on the options menu!!!
i went to compatability and mine only has one bow that you could click and that was LEAD mcmp... im not sure what that means or what i should do... im not very computer savy.
please help
THAAANKS!! it worked :) I just had to download ffd-show first. <3 google
Thanks, it works now =]
I still have the problem!!
wat should i do
You have to download the ffdshow mpeg-4 video decoder from http://www.free-codecs.com/download/FFDShow.htm if it doesn’t work.
Sajjid,
YOU ARE THE BEST!!!
We spent hours trying to sort this out and found your comment. Fixed in 1 second flat.
THANKS
Heyy! I cant believe it! It works!! OMG! Thank you thank you you’re a genius! thanks~
C:\Documents and Settings\TOSHIBA\Desktop\Snowfall 2008\08021201.mpg could not be imported. The selected file is not valid or is corrupted.
wht shld i do? i hv got dis msg
You have to download ffdshow-rev..... and then you have to check its box on options
I’ve tired everything and it doesnt work
I kno what codec to download n did that.
Then I restarted my movies maker program but it still wont appear in the compatibility folder....
what do i do???
thank you guys its working!!Sajjad From Iran u r great!!!
Iwanna Aigio
thank you! o god I love you!
omg thank you soo soo much!!!
Hi, Sajjad.
Nice job! Thanks for it.
Thanks a lot, it solved my problem on this issue!!! iranian people rock...eheh
When I imported this game called “Toontown” video, it turned all weird. The colors were bad and it wasn’t anything like it. I want to continue to make videos but with the way its colored I cant make any. By the way, I listened to what you said about the Tools > Options > ffdshow Video Recorder thing.
Please help!
Regards,
Notebook
Thank you soooooooooooooooooooooooooooooooooooo much!!! :* :* :*