In this case usually the problem is DEP, please follow the next steps. Step 1 : Click Start, then Control Panel. Step 2 : Select System. Step 3 : Click the Advanced tab. Step 4 : In the Performance area, select Settings. Step 5 : Click the Data Execution Prevention tab in the dialog box that opens. Step 6 : Select Turn on DEP for all programs and services except those I select. Step 7 : Click Add. Step 8 : The "open" dialog box will open. Browse to the SRO_Client.exe . Step 9 : Highlight and click Open. Step 10 : Click Apply. Step 11 : Click Ok. Step 12 : Reboot your PC ! If it isn't working after adding DEP exception, please try to perform a clean startup. How to Perform a clean startup (Move your mouse to reveal the content) How to Perform a clean startup (open) How to Perform a clean startup (close) Step 1: Start the System Configuration UtilityClick Start , type msconfig in the Start Search box, and then press ENTER. If you are prompted for an administrator password or for a confirmation, type the password, or provide confirmation.Step 2: Configure Selective Startup options In the System Configuration Utility dialog box, click Selective Startup on the General tab. Click to clear the Load Startup Items check box. Note The Use Original Boot.ini check box is unavailable. Click the Services tab. Click to select the Hide All Microsoft Services check box. Click Disable All, and then click OK. When you are prompted, click Restart.