Dec 25, 2008 I get an error message: Printer driver is not compatible with a policy on your computer that blocks NT 4.0 drivers. How do I disable that policy? How do I unblock NT 4.0 driver that is preventing me from. NT4 drivers cannot be installed onto Vista.

Let me assume you are having the same problem I had: 1. An old printer connected to an 'older' machine (XP, Win2000) with so called NT4.0 (kernel mode) driver 2. Want to provide it to a Vista machine as a network printer Please try on your VISTA machine: Control Panel ->Printers ->Add a printer ->Add a local printer ->Create a new port: Local Port ->Enter a port name: Your_XP_machine Shared_Printer >Pick appropriate driver from list provided by Vista >Hope this works for you. I'm having a similar problem but updated. My windows 7 computer is my 'server' and I am trying to connect my windows 8 laptop to the printer. I can see the printer and detect it through network sharing and through our home group but when I actually try to add the printer to print I am getting the NT 4.0 driver error. I when to hp and downloaded updates and drivers compatible with the version of windows I'm running on each machine but same thing happened.

So I hop on here and followed the steps you provided above to add the printer manually and got all the way to naming the printer. After about 3 seconds of trying to install the printer I get this- 'Windows can't install the HP Photosmart C4500 series kernel-mode print drive. To obtain a driver that is compatible with the version of windows you are running, contact the manufacturer.' Destroy Desktop Game here.

• Tell us some more • Upload in Progress • Upload failed. Please upload a file larger than 100x100 pixels • We are experiencing some problems, please try again. • You can only upload files of type PNG, JPG, or JPEG. • You can only upload files of type 3GP, 3GPP, MP4, MOV, AVI, MPG, MPEG, or RM. • You can only upload photos smaller than 5 MB. • You can only upload videos smaller than 600MB.