Windows Vista forum

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persistent Open File - Security Warning dialog box

by oregonuser / September 2, 2007 9:33 AM PDT

...having a problem with an annoyingly persistent dialog box. Perhaps somebody out there can help close it for good.

Whenever I log in to my computer (ASUS M2NPV-VM motherboard and windows home vista basic) either as a std user or an admin) I get a dialog box: "Open File - Security Warning" that wants me to confirm that I trust the smax4pnp.exe file and want it to execute. smax4pnp.exe is associated with the drivers for the on-board audio of my motherboard. Apparently it has an unknown publisher. Anyway, I have been unchecking the "always ask before opening this file" and clicking the "run" button, but am getting tired of this.

Is there a way to make this dialog box go away for good?

I've updated the driver via the ASUS website (ver for everyone keeping score at home), but to no avail.
...have also tried "unblocking" this file by clicking unblock within the windows explorer file -> properties dialog box. This change does not persist.

How do I get vista to remember to trust this file? Is there a tucked away list of trusted programs within the control panel or management console? How about my Norton Internet Security 2007 security suite?

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Same problem, but Windows 7
by winnP / February 20, 2009 6:35 AM PST

I'm having this exact same problem, with two differences (1) I'm using Windows 7, and (2) the software is the Synaptics touchpad driver. I also tried:

(1) Running the driver install .exe as administrator.
(2) Unchecking the "ask every time" box.
(3) Unblocking via the explorer->Properties dialog.
(4) Disabling UAC (using slider then through the registry).

None of these things work. And if the best someone can suggest is not using the software, then that's kinda ridiculous.

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Similar problem fixed
by caustic4 / March 16, 2009 10:20 PM PDT

I was having the same problem with a file from ASUS called AsRunHelp.exe getting that annoying message every time i booted Vista.

After some searching i think i figured it out. The problem is when you open the properties dialog and unblock the file it isn't persistent. Its part of some ntfs stream information apparently, idk. I copied the file to a fat32 partition, that removed that whole block/unblock business, and i copied it back replacing the original file. That worked for me, i hope it helps you.

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Maybe another copy to 'unblock' under DriverStore
by libove / June 23, 2009 11:51 PM PDT

I ran in to this a long time ago, and never knew quite how I had solved it. I ran in to it again today on reinstalling a Vista laptop (x86, as it happens; I doubt it matters).

I've not found this reference on any of the dozens of threads discussing this issue across the Internet: in my case, I believe the solution was the Vista Driver cache copy of the SynTPEnh.exe (and also SynTPHelper.exe) files, which in my particular case happened to be exactly at:


Your mileage may vary on the exact name of the DriverStore\FileRepository\... subdirectory, but if you're still having this problem after opening the properties dialog of the SynTPEnh.exe file under the expected location (C:\Program Files\Synaptics\SynTP\) and unblocking it, then try doing the same unblock operation on any other copies of the same file(s) which you may find under the DriverStore\FileRepository.

Jay Libove
Barcelona, Spain

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Talk about obscure!
by dsorak / January 22, 2010 9:23 AM PST

Try the article here:

There is a special case for files the "Program Files" (and "Program Files (x86)" if you have 64-bit) directories, apparently. Move the file to your desktop and then open the properties dialog. In there you will see a new option button "Unblock" - click it. Then, move the file back to your original "Program Files" location.

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