4. As the game is a merging of multiple 32 bit mods and programs adapted to modern PCs, check your ‘Programs and Features’ in Control Panel and ensure you have all the latest Microsoft Visual C++ Redistributable libraries installed.
These and their Service Packs are available free from Microsoft Downloads, and include (x86) and (x64) versions of these libraries: 2005, 2008, 2010, 2012, 2013, and 2015-19
Ensure that you replace old installations with the latest ones and, ideally, they should be installed in date order. In total, your program manager should display 12 libraries
The latest versions (at 13 Jan 20) are:
2005 (x86) 8.0.59193
2005 (x64) 8.0.59192
2008 (x64) 9.0.30729.6161
2008 (x86) 9.0.30729.6161
2010 (x64) 10.0.40219
2010 (x86) 10.0.40219
2012 (x64) 11.0.61030
2012 (x86) 11.0.61030
2013 (x64) 12.0.40664
2013 (x86) 12.0.40664
2015-19 (x64) 14.24.28127
2015-19 (x86) 14.24.28127
You can download them all in one package here
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Also, check that your three XNA Framework Redistributable files (3.0, 3.1, and 4.0) are installed up to date, because the game needs these, too…
The latest versions (at time of writing 18 Feb 20) are:
XNA Framework Redistributable 3.0 3.0.11010.0 for Windows 7
XNA Framework Redistributable 3.1 3.1.10527.0 for Windows 7
XNA Framework Redistributable 4.0 4.0.20823.0 for Windows 7