Make sure to meet the following requirement when you use 
               
UFT Developer (Silk4J) for GUI-Level testing: 
               
               
 
                  
                  - You must have 
                     Silk Test 15.0 or higher installed. 
                     
                  
Make sure to meet the following requirements when you use 
               
UFT Developer (Silk4NET) for GUI-Level testing: 
               
               
 
                  
                  - You must have 
                     Silk Test 15.0 or higher installed. 
                     
                  
- You must have Test Agent from the .NET Framework installed. 
                     
                  
- You need the same version of MSTest that was used to build the test file. 
                     
                     Note: Silk Performer will always use the latest MSTest version that is installed on the test machine. If the version you used for building the
                        test file differs from the latest version that is installed on the test machine, the 
                        UFT Developer (Silk4NET) information in the TrueLog file will be missing.