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npcap 0.9985 can't install #327
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Thanks for reporting this. What version of Windows are you running? Error 0x247 appears to be related to Unicode processing. What locale (language or localization) are you using in Windows? Please include the NPFInstall.log and install.log from |
NPFInstall.log |
Related issue: nmap/nmap#875 The installed security catalog file
Which causes signature verification failure of the driver package, as shown in
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@luisdallos Thanks for analyzing this. I will investigate what could have gone wrong on our build system to cause this file to not be signed with our EV code-signing cert. |
Ok, here's the problem: we used to dual-sign the Npcap driver with a SHA-1 cert and a SHA-256 cert, because Windows Vista didn't understand SHA-256. When we renewed our certificate, we did not get the SHA-1 cert renewed, and we changed our build system to only sign with the SHA-256 cert by removing the functions that sign with SHA-1. However, the CAT file was only ever signed with SHA-1 because that file format does not support multiple signatures. So the published CAT file used for systems other than Windows 10 was never re-signed when building the installer, and instead has the "test" signature added by Visual Studio. I would have expected Microsoft to flag this as a problem when they provided their Attestation Signature for Windows 10, but they just overwrote it with their own signature there. We will release a new installer to address this issue. I am not sure yet whether we will increase the version number for this or not. |
Npcap 0.9986 should solve this issue. Please let us know if you have any
further problems.
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Yes, i'm comform. Driver install with success |
@dmiller-nmap I installed npap in win2008R2 and found such an error "The publisher of this driver software could not be verified". I installed kb4474419(support for sha-2 sign) patch can be used normally. I would like to know that it must be installed this patch? |
I can't update the npcap driver. When trying to install, error e0000247 is displayed (associated with the certificate if I'm not mistaken). How to fix it? What files should I send for a more accurate error diagnosis?
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