WampServer throws error, mysqld.exe can’t start because MSVCR120.dll is missing if it is not able to find Microsoft Visual C++ Redistributable (MSVCR). The issue is that it requires all the versions like 2008 , 2010 , 2012 , 2013 , 2015 , 2017 etc. You may either need to manually install them or use check_vcredist.exe which will search for the missing redistributable on your system and will help you in downloading them.
Solution
1. Download and install all the versions of Microsoft visual c++ redistributable from here –
2. Download check_vcredist.exe and get the missing dependencies to run WampServer. Then you may download those from the above list.
These solutions will solve your issue of mysqld.exe can’t start because MSVCR120.dll is missing.