Installing (downloading) FF Nightly fails

Hey there,

I need the Firefox Nightly but installing it fails. Once I start the setup it is supposed to download the needed files. Unfortunately the below happens.

"
Output folder: C:\SomeFolderName
Installing Mozilla Firefox, Portable Edition (Nightly)...
Create folder: C:\Users\SomeUserName\AppData\Local\Temp\nsq2856.tmp\Downloaded
Downloading Firefox Nightly 32-bit...
Installing Mozilla Firefox, Portable Edition (Nightly)...
Create folder: C:\Users\SomeUserName\AppData\Local\Temp\nsq2856.tmp\Downloaded
Downloading Firefox Nightly 32-bit...
Installing Mozilla Firefox, Portable Edition (Nightly)...
The installer was unable to download Firefox Nightly 32-bit. The installation of the portable app will be incomplete without it. Please try installing again. (ERROR: File Not Found (404))
"