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I'm trying to install VS 2015 but I get an error. What can I do? I don't understand about it.

VsHub The form specified for the subject is not one supported or known by the specified trust provider.

Microsoft Visual Studio Preparation The form specified for the subject is not one supported or known by the specified trust provider.

Microsoft Visual C++ 2015 Preview Redistributable (x86)-14.0.22310 The form specified for the subject is not one supported or known by the specified trust provider.

Microsoft Visual C++ 2012 Preview Redistributable (x86)-11.0.60610 The form specified for the subject is not one supported or known by the specified trust provider.

Microsoft Visual C++ 2015 x86 Debug Runtime - 14.0.22310 The form specified for the subject is not one supported or known by the specified trust provider.

Microsoft Visual C++ 2013 x86 Debug Runtime - 12.0.21005 The form specified for the subject is not one supported or known by the specified trust provider.

Brian Tompsett - 汤莱恩
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Diaan Last
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  • It is a security problem, the installer cannot verify the digital signature on the install files. You'll need to get your machine fixed. Already pretty well covered by [this question](http://stackoverflow.com/questions/19444718/visual-studio-2013-rtm-setup-failed-the-form-specified-for-the-subject-is-not). – Hans Passant Apr 14 '15 at 03:43

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