Yasin Karanfil

You should avoid deploying the System_SR cab file; In project properties, select Devices tab uncheck .net framework deployment

If it didn’t work

Copy the System_SR_ENU.CAB file to the emulator and install it. You can check this folders

C:\Program Files (x86)\Microsoft.NET\SDK\CompactFramework\v2.0\WindowsCE\Diagnostics
C:\Program Files\Microsoft Visual Studio 8\SmartDevices\SDK\CompactFramework\2.0\v1.0\WindowsCE\Diagnostics