What are the Methods to Fix QuickBooks error code 12045?

 The majority of the time, QuickBooks error code 12045 occurs during a system update. Furthermore, some QuickBooks users encounter this issue more often than others. The leading causes for the QuickBooks error code 12045 include the inaccurate time setting, incorrect date and wrong internet connection configuration.

 

While this error is often referred to as a desktop update error, it can be included in other error categories too.

 

Causes of QuickBooks Error 12045

Listed below are some possible reasons for QuickBooks Error 12045:

  • Your software has more than one version of QuickBooks Desktop.
  • The QuickBooks installation directory has the wrong folder permissions.
  • The configuration file for hosting has been damaged or messed up.
  • There is a problem with your Internet connection or firewall settings.
  • You are using an older version of QuickBooks.
  • The Windows User Account Control (UAC) has been switched off.
  • QuickBooks can't connect to the internet because of your antivirus program.
  • The QuickBooks company file is damaged or corrupted.
  • The connection to the server has been lost.
  • Damaged updated company file.
  • Improper setup of Internet connection settings.
  • Incorrect setup of date and time.

 

Methods to troubleshoot the QuickBooks error 12045

The techniques and procedures below may help you solve QuickBooks problem number 12045.

Method 1: Set up the computer's firewall

To fix the QuickBooks issue 12045, follow the procedures shown below. The procedures to set up the firewall settings of the PC are as follows:

  • Start with looking for the QuickBooks database server manager.
  • Select the server manager for the QuickBooks database.
  • In addition, there's the port monitor to consider.


  • You should also save the port number for the QuickBooks version.
  • After that, you'll have to allow access to the Windows Firewall.
  • Next, choose the advanced settings.
  • Select a new rule in addition to incoming rules.


  • Select port choice.
  • Ensure that the TCP is enabled.
  • Enter the port number in the box once you've selected the appropriate local ports.


  • Click the next tab to continue.
  • Go to the "allow the connection" tab and click on it.


  • Click the Next tab and add a new name to the rule.
  • For outbound rules, execute similar procedures.

 

Method 2: Inspect the internet connection settings

In case the first technique fails to work for you, then perform the following steps to verify the settings of the internet connection.

  • Launch the QuickBooks program.
  • Go to the help menu and choose Internet connection configuration to complete the process.
  • Set up an online connection using my computer's internet connection settings while using this program.
  • Choose the next tab.
  • Head to the advanced connection settings and go for advanced restore settings.


  • Once you've done that, click the ok button.
  • Rebooting and re-updating QuickBooks are also recommended.

 

Method 3: Correct the date and time on the PC

  • In this approach, you would have to right-click on the clock on the desktop.
  • Select change the date or time.
  • Select modify date and time.


  • Also, input the correct date and time and select the ok tab.
  • Restart both your computer and the QuickBooks desktop application.
  • Lastly, Update QuickBooks again.

 

Method 4: Delete the second installation of the QuickBooks desktop

Just in case you have installed the same version of QuickBooks twice on your PC, then in that situation, it can end up in an update error.

 

You would have to remove another copy of QuickBooks. You may start this problem owing to this cause, which is remedied by removing the other installation of the QuickBooks desktop.

 

Over to you

We've explored all of the potential methods in the article above to help you fix the problem. Users typically experience this issue due to improper time setting, inaccurate dates & wrong internet connection setup, etc.

 

We hope that you have grasped all the methods. However, if you still face QuickBooks Error Code 12045, contact our certified QuickBooks error support technicians at 1-800-615-2347 for more advanced solutions.

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