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Windows 7: new ati drivers don't work

22 Oct 2010   #1

win 7 ( 64 bit)
new ati drivers don't work

just downloaded these drivers (10-10_vista64_win7_64_dd_ccc_enu) from
(Graphics Drivers & Software)
for my ati 5750 and keep getting this error.
Windows cannot verify the digital signature for the drivers
required for this device. A recent hardware or software change
might have installed a file that is signed incorrectly or damaged,
or that might be malicious software from an unknown source. (Code 52)

any help please.
thanks Scrooge

My System SpecsSystem Spec
22 Oct 2010   #2

win 7 ( 64 bit)

the drivers are for my video card not motherboard . and i've been getting the drivers from that site for years now and this never happened before.
thank you for your help ....scrooge
My System SpecsSystem Spec
22 Oct 2010   #3

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer

ASUS doesn't have an onboard graphics processor.

Run a complete virus and malwarebytes scan

Try uninstalling your ATI.

The Catalyst Uninstaller download from

Then install the ATI driver:

ATI Radeon
My System SpecsSystem Spec

22 Oct 2010   #4

win 7 ( 64 bit)

yes i did all that .i even redownloaded the drivers and uninstalled the old then reinstalled the new ones same thing happens . this is the driver that just came out today so do you think theres something wronge with them ?
thanks for all your help
My System SpecsSystem Spec
22 Oct 2010   #5

Systems 1 and 2: Windows 7 Enterprise x64, Win 8 Developer

Did you revert to the previous driver?
My System SpecsSystem Spec
27 Oct 2010   #6

Windows 7 Pro 64bit, Ubuntu 10.10 64bit

If I recall, I read yesterday that there was an issue with the 10.10 drivers on the 5xxx and the 6xxx cards. A hotfix release of the 10.10a driver should now be available for download. (I am still running the 10.10 drivers on my Aspire notebook (Windows 7 Home Premium 64bit) with no problems, so I have not yet tried the 10.10a...)

**Edit** It seems they have now released yet another hotfix as 10.10c drivers...

MaxPC Info Link
My System SpecsSystem Spec
27 Oct 2010   #7

Windows 10 Home Premium 64bit sp1

Maybe this is me but i would not install the 10.10 unless my system asked for it or my steam account offers it to me

I learned a long time ago upgrading can make or break you i also got word the 10 .10 came out to compensate for the new 6800 series gpu

im sure the users of the 5000 series will get anew driver update but these drivers are comming out way to soon and by that way to soon to keep installing them as soon as they are released i would give it some time and go back to 10.9
My System SpecsSystem Spec
28 Oct 2010   #8

Windows 7 Professional 64 bit

I downloaded and installed 10.10 drivers yesterday? and haven't had any issues with them as yet. Running a 5850 card so dunno what your issue is with your's.

Only difference I see is that I downloaded from the AMD/ATI download page.
My System SpecsSystem Spec
28 Oct 2010   #9

Windows 7 64bit RTM

If you fancy the latest hotfix .. 10.10c .. there here

GPU-86: AMD Catalyst
My System SpecsSystem Spec

 new ati drivers don't work

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