Driver not digitally signed -> (Code52)

[G.Lang]

Since driver version 4.1 our drivers use the new microsoft driver model with a new signature and therefore it´s necessary to update the certificate store otherwise you get the "Code 52" warning at Win Vista/7 and 8.x

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Solution 1:
Update your system

or

Solution 2:
Download driver version 4.0.18 from the following link -> http://www.peak-system.com/cupd2/PeakOemDrv_4.0.18.zip and remove driver version 4.1.x.


Please follow the steps below

Uninstall the current driver version via right mouse click inside the device manager -> click "Remove" or "Uninstall"

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and select "Remove the driver software for this device" (or similar)

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and press "OK" and wait till the uninstall routine is finished, then reboot your PC and install driver version 4.0.18

For further infos or questions contact us via email -> info@peak-system.com

[U.Wilhelm]

Since the the last Windows 10 Update (Anniversary Update: Version 1607) on new PC´s with a new installed W10 1607,with UEFI BIOS and used Secure Boot, this error come up when you try to install our Device Drivers:

Windows cannot verify the digital signature for this 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 unknown source. (Code 52)

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If you run in this problem, please use the latest drivers which are signed by Microsoft:

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in our new PeakOemDrv.exe Driver Setup Package we have implemented allneeded drivers for all the differnt OS.
Thank´s to Microsoft for the Workload...