Updating QuickBooks Desktop is essential for maintaining security and accessing the latest features. However, encountering the enigmatic error 15105 can disrupt this process, leaving you wondering what went wrong. This error often arises due to Shared Download Drive mapping issues, missing program components, or security software conflicts. This guide empowers you to understand the causes of error 15105 and provides step-by-step solutions to fix error 15105 in QuickBooks Desktop and get your QuickBooks Desktop back on track.

Causes of QuickBooks Error 15105

Error 15105 in QuickBooks Desktop signifies an obstacle during the update process. Several factors can contribute to this error:

• Incorrect Shared Download Drive Mapping: QuickBooks relies on a specific location to download updates. An incorrect mapping disrupts the download process.
• Missing Files or Program Components: Corrupted or missing files crucial for updates, particularly payroll updates, can trigger this error.
• Firewall or Security Software Interference: Overly restrictive firewalls or security software might block QuickBooks from accessing update servers.
• Disabled QuickBooks File Copy Service (FCS): This service facilitates file transfers during updates. If disabled, updates will fail.

Fixing Error 15105: Step-by-Step Solutions

Now that we've identified the potential culprits, let's explore solutions to vanquish error 15105 and QuickBooks Error 15106 to ensure successful QuickBooks Desktop updates:

Solution 1: Run Updates as Administrator

• Close QuickBooks Desktop and any open company files.
• Right-click on the QuickBooks Desktop icon and select "Run as administrator."
• Click "Yes" if prompted for permission to make changes.
• Navigate to Help Update QuickBooks Desktop.
• Select "Update Now" and check the "Reset Update" box.
• Click "Get Updates". This should download and install the updates with administrator privileges.

Solution 2: Verify Shared Download Drive Mapping

• Close QuickBooks Desktop.
• Consult your IT department or QuickBooks documentation for the correct shared download drive mapping specific to your version.
• Right-click on "This PC" or "My Computer" and select "Manage."
• Go to "Computer Management" "Shared Folders" "Shares".
• Locate the shared download drive and verify its mapping is correct. If not, update the mapping as instructed by your IT department or QuickBooks documentation.

Solution 3: Configure Firewall or Security Software

• Temporarily disable your firewall or security software.
• Attempt to update QuickBooks Desktop again.
• If the update succeeds, re-enable your firewall or security software and configure exceptions to allow QuickBooks Desktop to access update servers. Refer to your firewall/security software's documentation for specific instructions on adding exceptions.

Solution 4: Enable QuickBooks File Copy Service (FCS)

• Press Windows Key + R to open the Run dialog box.
• Type "services.msc" and press Enter.
• Locate "QuickBooks File Copy Service".
• Right-click on the service and select "Properties."
• Ensure the "Startup type" is set to "Automatic".
• Click "Start" if the service is not running.
• Click "Apply" and "OK" to save changes.
• Try updating QuickBooks Desktop again.

Solution 5: Reinstall QuickBooks Desktop

If none of the above solutions fix error 15105 in QuickBooks Desktop, consider reinstalling your QuickBooks program. This will not affect your data, but ensure all components are installed correctly. However, remember to back up your data before reinstalling.

Conclusion

Following the steps explained in this guide and understanding the potential causes, you should be well-equipped to fix error 15105 in QuickBooks Desktop. With a successfully updated system, you can ensure your financial data remains secure and up-to-date, empowering you to manage your business with peace of mind.