Step 1: From the Apple menu, choose System Preferences, then click Desktop & Screen Saver

Step 2: Click the Screen Saver tab. Change timeout to start the screen saver to 5 minutes

Step 3: From System Preferences, choose Security & Privacy.

Step 4: On the General tab, select the option to require password after sleep or screen saver begins and change the time duration to immediately.

Step 5: From Finder, go to Applications, find OPSWAT Gears, and click on OPSWAT Gears

Step 6: Right click on the OPSWAT Client tray icon ( ) and click "Recheck" or "Check applications security" depend on what OPSWAT Client version you are running.

Step 7: Wait for a minute and then access the application again.