The best way to troubleshoot QuickBooks Error Code 15106 is to halt your antivirus software and then try and update QuickBooks. You can consider the steps given below fix Error Code 15106:

·        Step 1: Right-click the QuickBooks icon and select ‘Run as Administrator.’

·        Step 2: Open the Task Manager and go to ‘Process’ to halt the antivirus.

·        Step 3: Access the File Explorer and rename the QuickBooks update folder.

·        Step 4: Open QuickBooks and select ‘Update QuickBooks’ in the Help menu.

·        Step 5: Go to the Control Panel and change the user account control settings.

·        Step 6: Open the Run command and type “msconfig” in the search box.

·        Step 7: Use the Selective Startup mode and perform a clean install of your QuickBooks software.

If you have any trouble completing the steps mentioned above, you can call the QuickBooks customer support phone number and ask for additional tech support. Read more: quickbook helpline number | quickbook technical support number | quickbook customer care number