Fix QuickBooks Error Code 15215 (Troubleshooting Methods)

Running QuickBooks as a Windows Administrator empowers the QB application to take authority
over each potential windows application. It additionally let the QuickBooks to take the essential
resources to run appropriately.
At first, confirm that the QuickBooks application is close
Hit onto the “Desktop” icon.
Choose the “Run as Administrator” option
In case, it redirects you to a dialogue “Do you want to allow this program to make changes
to your computer?” then select the “Yes” icon.
Solution 3: Restart Windows in Selective Start-up
First of all, close your QuickBooks Desktop.
Select the “Run“ option, in your Computer, see below Variant of Windows:
o In Windows XP: Choose “Start” icon => “Run” icon.
o Windows 7 and Vista: Visit the “Start” icon => “All Programs” tab => “Accessories”
tab => “Run” icon.
o Windows 8 and 10: Press the “Windows+R” Keys on your Computer Keyboard.
After that visit to the “Run” section, and enter the msconfig command. Later, Click on the
“OK” icon.
Now the “System Configuration Utility” opens.
Choose the ‘Selective Startup’ on the current web-page and clear the Load Startup objects
checkbox.
Save changes by click on the “OK” icon.
Now, restart the computer as prompted.
Once the restart finished, then reopen QuickBooks & get the most current tax table.
Now you need to follow step 1 to 4 return into the “System Configuration Utility“, if you are
able to successfully download the update.
Choose the Normal startup checkbox and then click on the “OK” icon.
To end the process make sure to restart your computer one more time
Solution 3: Verify Use TLS 1.0 is checked, and Use TLS 1.1 and Use TLS 1.2 are unchecked in the
Internet Options window of Internet Explorer
Shut-down the ‘QuickBooks’ application.
Access/open the “Internet Explorer” browser.
Now Go to the “Tools” icon => “Internet Option” tab.