QuickBooks Error 15240 is a technical error that shows up when users try to update QuickBooks, and it is usually caused by incorrect settings of the Internet Explorer browser. Another major factor behind this error could be incorrectly set time and date. Without further adieu, let us advance to the various causes and troubleshooting solutions for QuickBooks Error 15240.
How can I rectify QuickBooks Error 15240?
Solution 1: Allowing permissions for QuickBooks folder
Solution 2: Correct the Internet Settings
Solution 3: Add QuickBooks .exe as exception
Solution 4: Make an admin user
Solution 5: Rectify system date and time