Download and install the latest Visual C++ Redistributable for Visual Studio from Microsoft. For 64-bit systems, ensure you install the x64 version.

Antivirus (temporarily disable to see if it’s blocking a specific DLL) 6. Check for Windows Updates

I adore NCSS and PASS. I have been using them for 20 years now.

—Mario Martinez Gonzalez, MPH, FEE, MD, Universidad Nacional Autonoma de Mexico

Your support is always amazing. I also run [another statistical software package] and on a support / admin basis you guys are way ahead.

—Neale Penman, Researcher

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