How To Fix QuickBooks 12000 Series Error?

# How To Fix QuickBooks 12000 Series Error? ![How To Fix QuickBooks 12000 Series Error](https://hackmd.io/_uploads/rJsaLVAxJg.png) QuickBooks 12000 series errors indicate connectivity problems. These error occur when you download updates. Due to a disturbed connection of the internet with the QuickBooks, you can not perform your crucial tasks and see these errors. General error codes of this series are <a href="https://proadvisorsolutions.com/blog/quickbooks-error-12002/">12002</a>, 12009, 12031, 12152, 12165, 12173, and <a href="https://proadvisorsolutions.com/blog/quickbooks-error-12029/">QuickBooks error 12029</a>.  Internet connection problems and incorrect browser settings can cause this error. To fix these errors, check your internet settings. Set Internet Explorer as the default browser. Also, configure any security applications that might block access. Don't worry. We have discussed the steps of the solutions below.  <blockquote> Facing QuickBooks 12007 error? Don’t let this error stop your business. Call us now at 1-855-856-0042  to get assistance from experts. Our team will quickly resolve the error and will help you get back to your business without the hassle. </blockquote> <h2>Reasons For QuickBooks Error code 12000 Series</h2> Here is a list of reasons that can block the smooth connection to QuickBooks and that will trigger the error of 12000 series.  <ul> <li style="font-weight: 400;">Poor internet connection.</li> <li style="font-weight: 400;">Conflicts with other installed applications. </li> <li style="font-weight: 400;">Outdated QuickBooks version.</li> <li style="font-weight: 400;">Incorrect firewall or security settings.</li> <li style="font-weight: 400;">Misconfigured Internet Explorer settings.</li> <li style="font-weight: 400;">Incorrect SSL settings.</li> </ul> <h2>Solutions To Fix QuickBooks Error 12000 Series</h2> Once you correctly detect the problem of the error, you can fix it very easily. Here we have listed a few solutions. Follow them one by one to resolve the issue.  <h3>Solution 1: Review Internet Explorer</h3> <ul> <li>Close QuickBooks on your computer.</li> <li>Find and open Internet Explorer.</li> <li>Click on Tools in the menu (you might see a gear icon).</li> <li>Select Internet Options from the dropdown.</li> <li>Go to the Security tab.</li> <li>Click on the Globe icon.</li> <li>Modify the security level. Set it to Medium-high or lower. </li> <li>Switch to the Connections tab.</li> <li>If you don’t use dial-up, select Never Dial a Connection, and if you do not use it, choose the correct Internet Service Provider.</li> <li>Click OK.</li> <li>Click on LAN Settings.</li> <li>Ensure Automatically detect settings are checked.</li> <li>Uncheck the Use a Proxy Server checkbox.</li> <li>Click OK.</li> <li>Go to the Advanced tab.</li> <li>Click on Restore Advanced Settings.</li> <li>Open Settings.</li> <li>Find Use TLS 1.2. Ensure it is checked.</li> <li>Click OK.</li> <li>Close Internet Explorer.</li> <li>Restart your computer.</li> <li>Open QuickBooks Desktop. </li> <li>Run the update once more.</li> </ul> <h3>Solution 2: Update QuickBooks</h3> <ul> <li style="font-weight: 400;">Open QuickBooks Desktop.</li> <li style="font-weight: 400;">Go to the Help menu.</li> <li style="font-weight: 400;">Select Update QuickBooks Desktop.</li> <li style="font-weight: 400;">Open the Update QuickBooks window.</li> <li style="font-weight: 400;">Click on the Update Now tab.</li> <li style="font-weight: 400;">Choose Get Updates.</li> <li style="font-weight: 400;"> This option selects all the updates.</li> <li style="font-weight: 400;">Click Save. </li> <li style="font-weight: 400;">Wait for some time.</li> <li style="font-weight: 400;">Download will be done. </li> <li style="font-weight: 400;">Close the window.</li> <li style="font-weight: 400;">Restart QuickBooks Desktop.</li> <li style="font-weight: 400;">Follow the prompts.</li> <li style="font-weight: 400;">Install the updates successfully.</li> </ul> <h2>Conclusion</h2> Here we are at the end of this blog, we hope that by following the above solutions and understanding the cause of the QuickBooks 12000 series error, you can fix the issue. You may also read : <a href="https://hackmd.io/@QB-Experts/tips-and-tricks-for-fixing-quickbooks-installation-errors">Tips And Tricks For Fixing QuickBooks Installation Errors</a>