can't update SINS on impulse!!

i have the origonal game of SINS (with no upsates) and i want to get the latest update, but when i try to update SINS on impulse, it always stops and says:

specified value has invalid CRLF characters

Parameter name: value

then the error log says:

Context: DownloadFile - File Download (Unknown)
Message: 319 C:\Documents and Settings\All Users\Application Data\Stardock\Impulse\Temporary\DownloadQueue\sin\install.xml_ http://dl1.impulsedriven.com/download.ashx?b=330&v=1.12.042&t=FGwgwUFlgN8BaKkBT23w9AmMa%2fD8bH9I95HuufI5AcB9Ph1Rxj8dCJqqCa39Y83vOxOgkZOQtcy4Z44P7tZhcTxzL5EKQMWHUztPoxWpcOkDwNmyaHO45g4AD5yKWoV29KOHBgawI44qjG6oMsXXUlGvRhXUr%2fSgMAinUDFpVDq9Co9J%2b4fJY4qaRPNVrZAoTC9PX%2bO71JXGvBTUH822cYAok4hlh7HT1zILmCp87tMHP6RG4bSwQMjWrvuEyI0FOP9yz%2flAEcnWtXjQo5CKtUgz9jxT7bThowCs9IhSTvQaCr8osxULFKc9wv8Cx4ob0SboAnV8hDnHYM1Yia0ugW8W43GOFiTM504tILdWoHkT9X0l%2fD%2bGz6xt2bbUF%2btrqonWAYrgHAbXAskitW4axDl0KdIrjhoY5AbwG8jQLtARX%2fP7Af5%2fkpNhQ%2bliwyTTzcL7P5Q6joFMx2Dn83Trzw%2bmHO%2bu8AHLJuVzd76XNovRbnPe%2fLT9cA%3d%3d&f=vafgnyy.kzy _ e752aaba31fde6024af72cdab95c74b3
Build #: 955
Exception: Specified value has invalid CRLF characters.
Parameter name: value
Stack Trace:
   at System.Net.WebHeaderCollection.CheckBadChars(String name, Boolean isHeaderValue)
   at System.Net.HttpWebRequest.SetSpecialHeaders(String HeaderName, String value)
   at System.Net.HttpWebRequest.set_UserAgent(String value)
   at de.a(MethodInvoker A_0, Boolean A_1)

as a side note, when i tried to verrify the installation it says SINS is not isntalled properly and to look for an application update, but there were no problems when i isntalled it.

any ideas anyone???