Sometimes on older computer systems you might get an error of a missing .dll file. This is usually caused by missing software libraries that are used by the game, or more rarely a broken system file within your copy of Windows.
Luckily in most cases these issues are easy to fix.
Download and install the .Net framework from Microsoft from the link below
Particularly for Windows 7 you need to install the Microsoft Visual C++ 2010 Redistributable Package. You need to choose the correct version for your windows, either 32-bit or 64-bit. If you are unsure which version you have, it is easy to check
- Open System by clicking the Start button right-clicking Computer, and then clicking Properties.
- Under System, you can view the system type.
Download and install either of these:
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