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I installed several certificates I could find related to the installation of VS2017 but still I got the same problem.You have limited bandwidth or a lot of PC that need to install Visual Studio 2017. VisualStudio Bootstrapper: 10:13:10 AM: Signature verification failed. , StackTrace = at .OpenStorageProvider(String providerName)Īt .Import(Byte keyBlob, String curveName, CngKeyBlobFormat format, CngProvider provider)Īt (X509Certificate2 certificate)Īt (X509Certificate2 c)Īt .SignedXml.CheckSignature(X509Certificate2 certificate, Boolean verifySignatureOnly)Īt MS.Internal.IO.(X509Certificate2 signer)Īt System.IO.(X509Certificate signingCertificate)Īt System.IO.(Boolean exitOnFailure)Īt .(Stream packageStream, String layoutLocation)Īt .Bootstrapper.VerifyPackage(Stream packageStream) VisualStudio Bootstrapper: 10:13:10 AM: Caught Exception: Type = CryptographicException, Message = An internal error occurred.

VisualStudio Bootstrapper: 10:13:10 AM: Verifying signature When looking at the dd_bootstrapper_XXXX.log file in the %TEMP% folder, it says:īootstrapper: 10:13:10 AM: Download of '' succeeded using engine 'WebClient' Can ping the download server OK, so that is not the problem. MSDN Support, feel free to contact the exact same error on Windows 7 at home. MSDN Support, feel free to contact Peter, If you have any compliments or complaints to This can be beneficial to other community members reading this thread. Please remember to click "Mark as Answer" the responses that resolved your issue, and to click "Unmark as Answer" if not.

To do a test, and check if the VS offline installer could perform smoothly, if succeed, you could copy the one to your machine and do the VS installation. The above shows that the network is well-connected, or if it shows any time out error message, it means that the your network can't connect to the resource server, in this situation, how about consulting with your friends or colleagues, borrow their machine Then try the following Ping, to check if you could connect to the download server: Before downloading the resource, please temporarily turn off any software which could prevent VS from accessing the internet, turn off Windows Defender.