Fixing QuickBooks Update Error 15240: A Quick
Guide
QuickBooks users sometimes encounter unexpected errors that disrupt their workflow, even when
the accounting software appears to be running smoothly. A frequently reported error among users
is the QuickBooks update error 15240. This specific error can be quite troublesome when
updating QuickBooks desktop or payroll software. This error code can hinder users from
accessing the latest features and may arise due to primary reasons such as incorrect internet
connection settings or an outdated software version. This error can disrupt workflow and may
occur frequently. Several factors contribute to this issue, which we will explore in this blog.
If the solutions provided below seem too challenging or time-consuming to implement, feel
free to contact our QB support experts at a toll-free number, 1.855.856.0042, for immediate
assistance with the update issues in the application.
Possible Factors and Causes Contributing to Payroll
Update Errors
QuickBooks Desktop error 15240 may arise due to the following leading causes
and primary scenarios, including QuickBooks error 15241:
 Improperly configured Internet Explorer settings can disrupt the network
connection.
 When configured incorrectly, your system's firewall settings can disrupt your
network connection.
Solutions Steps to Fix Payroll Update Errors
Resolving error 15240 promptly is essential to ensuring successful downloads of
QB Desktop and Payroll updates. Below are the solutions you need to follow
carefully to fix this issue.
Solution 1: Adjust the Internet Explorer settings
correctly
QuickBooks utilizes Internet Explorer to access network connections for
online and offline processes within the program. Incorrectly configured
settings in Internet Explorer can hinder these operations, such as
downloading updates.
 To access the Windows Start menu, click the Windows icon.
 In the search field, type Internet Options and press Enter.
 This will cause the Internet Properties window to open.
 Navigate to the Advance tab and choose TLS 1.2 and TLS 1.3 under
settings.
 After making these selections, click Apply to save the changes, then
click OK.
Solution 2: Set Up the Firewall Configuration
The improperly configured Windows firewall may block access to specific QB
programs or files, disrupting their operations. To resolve this, you can create
rules in the firewall to allow QuickBooks file access. Follow these steps:
 Open the Windows Start menu.
 Type Windows Firewall into the search field and press Enter.
 Choose Inbound Rules from the Advanced Settings.
 Click on New Rule as an Action.
 Click Next after selecting Program as the rule type.
 Specify the location of the QuickBooks program in the ‘This Program path’
field and click Next.
 Select the QuickBooks executable file from the list and click Next.
 Choose Allow the Connection and click Next.
 Ensure all profiles are checked in the prompted window and click Next
 Name the new inbound rule as QBFirewallException(name.exe).
 Repeat these steps to create an outbound rule for QuickBooks.
QuickBooks update error 15240 can be resolved by following the
steps outlined above. If you find these solutions insufficient to fix the
update issues, contact our QB technicians at a toll-free
number, 1.855.856.0042. Our experts are available to provide
comprehensive guidance and assistance to ensure the error is
resolved promptly and effectively.