I think my computer is too old for Windows 10, because after upgrading from Windows 7 64 bit to Windows 10 I noticed a great loss in performance. Some program that were perfectly running on Windows 7, are freezing and crashing on Windows 10. So, I decided to downgrade back to Windows 7 64 bit. After downgrade I started getting msvcr100.dll is missing error whenever I tried to launch some games and programs. I thought that I need to perform clean installation of Windows 7 to fix those errors, but after researching on the Internet I found a pretty easy solution for msvcr100.dll is missing from your computer error on Windows 7.
First of all, you don’t need to reinstall whole system if you are having msvcr100.dll is missing or not found error. It is caused by just one library called msvcr100.dll which is essential for proper work of most of the programs. To fix msvcr100.dll is missing from your computer error on Windows 7 you just need to download and install msvcr100.dll file from here: http://fix4dll.com/msvcr100_dll.
Make sure that you are downloading msvcr100.dll file for Windows 7 one the downloading page. After that just follow the installation instruction provided on that page. After installing msvcr100.dll file I rebooted my computer and never had msvcr100.dll is missing error anymore. Hope this small tutorial will help you to fix msvcr100.dll is missing error on Windows 7 64 and 32 bit. Feel free to like and share this guide.