Theres a bug problem with the skywind installer. Here is the SkywindInstaller.exe log
Traceback (most recent call last): File "Skywind.py", line 42, in <module> File "shutil.pyo", line 117, in copy File "shutil.pyo", line 83, in copyfile IOError: [Errno 13] Permission denied: 'C:\\Windows\\unrar.exe' (Btw the reason why my username is an email is chrome autofill)
Sun, 08/18/2013 - 17:51
#1
Skywind installer bug

Try the Skywind alternate installer.