Hi, I am having problems installing device drivers for Windows Vista 32 & 64 bit. I have an installation pkg which consists of .cat file .inf file .sys file .dll file .cer file I have digitally signed the driver with authenticode and created an install .exe file with IExpress (DPInst). I figured that this was the easiest way to create a install .exe I install the driver two different ways Method 1: Using Device Mgr I go into device Mgr, click browse, select the correct folder, hit install. A message comes up asking me, am i sure i want to install the SIGNED driver, I say YES, and then its installed. This is cumbersome, and difficult for an ordinary user, therefore, I use: Method 2: Using Using IExpress created EXE I simply double click, I get an error about my UNSIGNED driver. The driver installs, but when I look in the setupapi.dev.log file, it says that the driver is not signed, and the .cat file cannot be found. My questions are: Whats happening in IExpress. Is my cat file really included. Should i be just using DPInst. I couldn't find any real HOW-TO documentation for using it. Just the usual Microsoft docs. Why is my cat file, and signed driver package not recognized by the installation exe. Any help would be much appreciated. RoZo
