Why won't my installation work?
 

Um...if anyone would like to help, thanks. You see I downloaded the newest version for mac osx and everytime i clicked on te installation and i have installed it multiple times, everytime where you come to the end when it says "close" and your done. i can't find the program though, even though i have installed it many times...Does anyone know how i can solve this problem?

um...i opened it for like 1 second but then it dissapears, please help, i love limewire
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It's generally due to Java. Check the options here: Can't launch LW: Bouncing in Dock (click on link)

thanks!! it works now, but i have another problem, i have downloaded a couple of avi files and they dont even play they just have a white screen, how am i supposed to fix this? i have downloaded videolan like it says in some of them, but i dont know how to open them in video lan, if you could help, please and thank you:)

There's a couple of ways. One is to first open VLC. Then drag & drop the video file onto VLC in the Dock. Another is to direct VLC to where the file is using the command-O to open from a particular location. Personally I've made VLC the default to all but one or 2 video formats which I use QT Pro for. If you want to change default, control-click the video file & choose open with & find VLC. Alternatively you can select the file, command i for get info, then choose application to open it as in no. 5 of image below.