Visual Studio 2015 FAQ
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I received the error “Installation errors may occur because the security certificate updates that are required to install some Visual Studio components cannot be applied to this computer.”
SymptomWhen attempting to install Visual Studio you receive the error "Installation errors may occur because the security certificate updates that are required to install some Visual Studio components cannot be applied to this computer. This can occur when you are not connected to the Internet or when a group policy setting on your computer prevents Visual Studio from automatically applying the security certificate updates. If you choose to continue, some Visual Studio features may not work as expected."
- Ensure that you are on a computer that is connected to the internet. In some cases, Visual Studio is able to programmatically retrieve and then apply the required certificate updates so that the affected features can be successfully installed.
- Check the group policy setting on your computer that controls automatic certificate updates. To check the setting, open the Group Policy Editor (gpedit.msc). From the Local Group Policy Editor, under Computer Configuration, expand Administrative Templates, expand Internet Communication Management, and then click Internet Communication settings. The setting that controls automatic certificate updates is Turn off Automatic Root Certificates Update. For Visual Studio to automatically retrieve and apply the required certificates, this setting should be Disabled.
You can also try Repairing Visual Studio from the Control Panel.