Which specific version of 4.4 are you trying to build? Did you make sure you used the required dependency files for that specific version (the files for 4.4.0 may not work with 4.4.3, for example).
Could you please download the attached file and place it on your desktop. Remove the .txt extension and run the file. It will create a new file named info.txt. If you could please attach that file here it will help us try to narrow down what may be happening.