You may fall into QuickBooks error code 1402 while installing or updating the QB program. It mainly occurs when the essential components required for QB to function are missing. Additionally, it can arise due to damaged Windows files. The message that appears on the screen is: “Couldn’t open key.” Consequently, it disrupts the installation process and slows down the system performance. If you want to know about the triggering factors and solutions, take a long jump into the