MSVCR90.dll is not a valid Windows image

NIS 2011gives popup error:

 

uiStub.exe - Bad Image

The application or DLL C:\Program Files\Norton Internet Security\Engine\18.5.0.125\Microsoft.VC90.CRT\MSVCR90.dll is not a valid Windows image. Please check this against your installation disette.

 

My MIS 2011 was downloaded so no diskette available.