There is no single “assist_button_driver.exe.” Instead, the button’s functionality depends on :
Look for "VAIO Event Service" or similar driver entries in the list, check the box, and click to begin the reinstallation. Step 2: Finding the Official Download Link sony vaio assist button driver download link
Select your current operating system (Windows 10, 8.1, etc.). Look for the "System Software" "Notebook Utilities" Necessary Software Components There is no single “assist_button_driver
Sony sold the VAIO brand to Japan Industrial Partners Inc. , which operates vaio.com (Japan/Asia) and vaio.us (for some markets). For VAIO laptops sold after 2014, drivers are available at: There is no single “assist_button_driver.exe.” Instead