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Windows XP setup keeps asking if I want to install unsigned drivers

Medium Priority
Last Modified: 2012-05-06
I'm doing a repair install on a heavily malware infected machine.  That is a formerly heavily infected machine.  :)

When going through the install, everything is fine until it starts installing devices.  It installs the first few ok after asking me where the driver files are located.  Then it goes through the "regional settings" wizard.  After that it prompts with the famous dialog box that says this:

"The software you are installing for this hardware:

has not passed Windows Logo testing to verify its compatibility with Windows XP.

Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future. Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing.

Do you want to continue installing the software for this hardware?

Yes No "

Notice that the "this hardware: ...  has not passed" is blank.  Clicking on either "Yes" or "No" causes the dialog box to disappear for a couple of seconds and then immediately reappear.  We've tried clicking "Yes" and "No" many times with no success.  Rebooting ends up with the exact same result.  

 Is there a way I can bypass this?
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The warning message basically reminds users that the hardware device driver or software that being installed has not passed Windows Logo testing to verify its compatibility with Windows XP, and users can click on Continue Anyway to force install the uncertified drivers, or STOP Installation to terminate the installation process.

Its pretty annoying to see the warning dialog prompted every now and then, and some more it delays the completion of device driver installation
, in some cases wasting time when users forget to monitor the progress and leave the installation to run on its way, stopping at unsigned driver dialog indefinitely waiting for user input.

Heres the trick to suppress the unsigned uncertified driver warning and force installation to continue automatically.

   1. Right click on My Computer then select Properties to open System Properties.
   2. In System Properties dialog box, select the Hardware tab.
   3. Click on Driver Signing button.

      System Properties Hardware Tab
   4. In the Driver Signing Options dialog box, under What actions you want Windows to take? section, three levels of actions on digital signature verification is provided, with default as Warn - Prompt me each time to choose an action. Default will generate the Hardware Installation or Software Installation dialog box as shown earlier whenever an unsigned driver is detected.

      Driver Signing Options

      To suppress and skip the warning dialog and install unsigned driver automatically, select the radio button for Ignore - Install the software anyway and dont ask for my approval.

      You can also select Block - Never install unsigned driver software to NOT INSTALL any uncertified driver - no question asked, and no way to change during installation - so its not recommended.
   5. In Administrator option section, tick the check box for Make this action the system default.
   6. Click on OK button twice to exit.

Above methods works for both Windows XP Professional and Windows XP Home edition. For XP Professional, users can use group policy to enforce the no warning dialog rule too.

   1. Click on Start button, then click on Run.
   2. In the Run box, type gpedit.msc, then press Enter.
   3. Expand User Configuration.
   4. Expand Administrative Templates.
   5. Select System folder in the tree.
   6. Right click on Code signing for device drivers, and then select Properties.
   7. In the Settings tab, you should see Enable as the default action. Select Ignore from the drop down list to silently allow all unsigned drivers to install.

      Users can also select Disable to stop all unsigned drivers installation, which cannot be overrode during installation process.
   8. Click on OK button.

Now you dont have to worry about clicking on Continue Anyway when installing a new device (or old device) to let Windows use the unsigned driver.


Ok.. that would be fine and dandy if I had a functioning Windows installation, but I'm in the middle of a repair installation and it won't continue and I can't exactly back out of it.
Anyone else have anything?  I still can't get passed it.. :(

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