Crystal Reports Version 10.5.3700.0: Essential Download and Setup Guide
Primarily supports 32-bit (x86) architectures.
Applications built in .NET often have strict version dependencies. If your application references Version=10.5.3700.0 in its .config or .aspx files and you attempt to run it on a server without the matching runtime, you will encounter the "Missing Crystal Reports runtime" error. Key characteristics of this version: Specifically designed for Visual Studio 2008.
It is the direct successor to version 10.2.3600.0 (bundled with VS 2005). Installation & Troubleshooting Tips SAP Crystal Reports | Business Intelligence Reporting Tools