If you are facing an error while installing or running QuickBooks desktop or company file, it is a common error known as QuickBooks error 1402. This type of error occurs when the components required for the operation of QuickBooks are corrupted or missing or due to damaged Windows files or problems with the QuickBooks payroll software. In such a case, this error pops up with the message “The key could not be opened”, which indicates that some essential registry keys or system files are inaccessible or damaged. If such an error message has popped up on your screen as well, you don’t have to worry, in this section below we will give you in-depth information about the causes of this error and the solution to fix it so that you can fix this error easily. QuickBooks Error code 1402 in this section. If you are facing this error then this article will surely be beneficial for you. After following the solutions mentioned in it, hopefully your error will be fixed and now you will be able to run your QuickBooks software comfortably. However, if you still have faced any problem and still need any technical guidance then you contact our QuickBooks error support team at 1-888-368-8874.