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Andrew_G_'s avatar
Andrew_G_
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4 years ago
Solved

USB Blaster - Install failed. 20H2 ?

Hi, I have a consistent issue when trying to install the USB-Blaster drivers on Windows 10, 20H2 This is using the 20.1.1 version of Quartus Prime Running dpinst.exe gives a "cannot complete the ...
raspopov's avatar
raspopov
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4 years ago

An USB Blaster driver catalog (.cat) has been signed by chain of two outdated certificates, the one expired in the Jun 2021 and the second in the Jan 2021. The driver itself (.sys and .dll) are OK. Windows 10 64-bit can't add such driver to the driver store without a properly signed .cat-file especially with the Secure Boot activated. As a temporary workaround for this case or the future problems you can simply set the current time prior to Dec 2020 and the install will works again.