What Does MSVCR90 Dll Not Found Mean?

Significance
Msvcr90.dll is a DLL created by Microsoft. More specifically, Msvcr90.dll is used by the Microsoft Visual Studio program.
Cause
You may see a 'Msvcr90.dll not found' error for several reasons. The DLL might be corrupt or may have been overwritten when you installed a software program. In addition, some computer viruses have the ability to delete DLLs.
Repair
To fix the problem, download a fresh copy of the Msvcr90.dll from one of the many online DLL libraries (see Resources). Then open the Command Prompt and type 'regsvr32 Msvcr90.dll' (without the quotation marks) into the Command Prompt and press 'Enter.'