Data Execution Prevention (DEP) fix.

When your Silkroad.exe close instantly, is DEP issue.

Open System Properties: Right-click This PC (or Computer) and select Properties, then click Advanced system settings.

Go to Performance Settings: In the Advanced tab, click Settings under the Performance heading.

Select the DEP tab: In the Performance Options window, go to the Data Execution Prevention tab.

Enable custom exceptions: Select the option "Turn on DEP for all programs and services except those I select".

Add the program: Click the Add button.

Locate and select the file: Browse to the ExaySRO installation directory, find the executable file (sro_client.exe | Silkroad.exe | replacer.exe), and click Open (do this for all 3 exe files).

Apply and restart: Click OK in the System Properties window, and then restart your computer for the changes to take effect.