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Last night, I downloaded Unity to start developing games with my brother. The installer also gave me Visual Studio 2015 and MonoDevelop, which I gather is basically a slightly modified Visual Studio.

This morning I discovered the problem: MonoDevelop will open, but Visual Studio won't. It always came up with a pop-up box saying "The program can't start because api-ms-win-crt-runtime-l1-1-0.dll is missing from your computer."

According to this other StackOverflow question, I need to download the Visual C++ Redistributable for Visual Studio 2015. But before doing that, I decided to check if I already had it, just in case.

I opened "Programs and Features" and beheld that I already had nine other Visual C++ Redistributables installed on my machine. This image shows the list.

This image

Included are the 2010, 2012, 2013, and 2015 redistributables for both x86 and x64. I don't know if this is typical or not but it certainly seems excessive.

Despite all these, my Visual Studio still won't open. Do I need to install another one? I'm happy to do that if I need to; I just want to start coding.

(I also had this same problem with Microsoft Office 365 before I just gave up and downloaded Microsoft Office 2013 instead, which works fine. Perhaps it's a problem with my machine? I'm running Windows 7 64 bit, for what it's worth.)

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Lincoln Bergeson
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1 Answers1

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You also need to install the Universal C Runtime

The Windows Update package on this page allows Windows desktop applications that depend on the Windows 10 Universal CRT release to run on Windows Vista SP2, Windows 7 SP1, Windows 8, and Windows 8.1 S14.

Extract the WindowsUCRT.zip and install the Windows6.1-KB3118401-x64.msu (note if you get a hang at "Searching for updates on this computer", cancel the install, stop the WU service and try again to install the update).

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magicandre1981
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