My favorite iPhone Jailbreak method is Blackra1n. Today, however, when I tried to run the installer, I got an error that read:
“The program can’t start because ASL.dll is missing from your computer. Try reinstalling the program to fix this problem.”

After some research on the internets, I found that the solution is to copy the blackra1n.exe file into one of two folder locations on your computer (depending on if you’re Windows 32bit or 64bit).
32bit: C:\Program Files\Common Files\Apple\Apple Application Support
64bit: C:\Program Files (x86)\Common Files\Apple\Apple Application Support
After copying the blackra1n.exe file into the appropriate directory, you should be able to run it without any problems from the ASL.dll file.
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Thanks I had a the same problem and it works perfectly now and I love my jailbroken phone.
Works great! thanks
I love you. From the bottom of my heart. I’ve been trying to figure this out for months.
wowwwww, cant tell u how happy i am right now…thnk u soooooooooooooo sooooooosoooooo much for sharing !
where do you find the blackra1n.exe file?
@Cameron: You’ll have to download it from the Blackra1n website. http://blackra1n.com/
dude will you marry me!!!
Thanks mate, awesome
thank you so much!!!!
Where do u find C:\Program Files\Common Files\Apple\Apple Application Support