Question about how to load a driver to vista or win7

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Hey guys.

I just have a question about windows driver development. I completed a windows driver for vista, win7(32bits & 64bits), but only use administrator can load the driver correct, using normal account, windows will block it to c:\windows\system32\driver folder, and can't add item to regedit.

At first, I use rundll32.exe setupapi, InstallHinfSection DefaultInstall 132 "*.inf" to load the driver, but wrong! Then I use ShellExecuteEx just as "run as" the rundll32.exe to load the driver, wrong again!

I just wonder is there another way to load the driver successful using normal account, and how? Thanks very much! Bow!

PS. use adminitrator the driver can load and work successful.

Thanks again!

Posted 11-Nov-10 1:13am

simeone18

Updated 11-Nov-10 1:24am

LittleYellowBird

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Kurt Degiorgio · Answer 1 · 2011-02-21T03:23:00

you cannot load the driver in post vista Operating systems if it isn't signed windows will block it.

The only two ways to do this are:

1. Start the OS In test mode.
2. Use WinDbg.

(NOTE: I AM NOT SURE IF THESE WORKAROUNDS WORK WITH 64 bit versions of VISTA or Windows 7)

To start the OS in test mode start a CMD instance as an administrator and execute the following commands:

bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING ON

To disable Test Mode execute the following commands:

bcdedit.exe -set loadoptions EENABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING OFF

(NOTE: if you disable test mode your driver wont run since it isn't signed)

D, Kurt.