What is msvcp90 DLL?
dll, File description: Microsoft® C++ Runtime Library.
Where is msvcp90 DLL located?
C:\Windows\System32
You can download msvcp90. dll from here: http://www.dll-files.com/pop.php?dll=msvcp90 . Just follow the instructions on the page to unzip and save the file to C:\Windows\System32.