# Quick Fixes and Solutions for QuickBooks Error 12045

Getting [QuickBooks error 12045](https://asquarecloudhosting.com/quickbooks-error-12045/) is not rare in this software. The update errors are one of the most common issues that you may come across frequently. In order to help you better understand and resolve the problem, we have compiled this blog.


It consists of several segments that include causes and solutions for the error. Restrictive Firewall settings, third-party internet security software, or internet connection issues are some reasons behind it. Dive deeper into the page to get your QB program back on track.

## Reasons Behind the QuickBooks Error 12045

We know that it is essential to understand the reasons behind any problem. And to make you aware of the triggering factors behind QuickBooks error 12045, we have this segment.
* The primary reason behind this issue can be the internet connection.
* A restrictive firewall setting can cause it.
* The error can also occur due to third-party internet security software.
* You may get into this problem if there are different QuickBooks versions installed on the same computer.

**Also read about**:- [QuickBooks Error 80004005](https://asquarecloudhosting.com/quickbooks-error-80004005-80004003/) usually indicates company file damage or sync issues. Repair data files, verify utilities, and update software.

## Practical Fixes That Work for QuickBooks Error 12045
Take a look at the following solutions and try to get out of error code 12045. See what experts have suggested and how to implement that.
### Reset QB updates
* Open the QB Desktop application.
* Go to the Help menu.
* Choose [Update QuickBooks Desktop](https://asquarecloudhosting.com/update-quickbooks-desktop-to-latest-release/).
* Click on Update Now.
* Tap on Reset Update from the dropdown menu.
* Click on Get Updates.
* Wait for some time to let it download the updates.
* Close the program and restart your computer.

### Update system date and time settings

* Go to the system clock.
* Right-click on it.
* Choose Adjust Date/Time.
* Click on Change date and time.
* Enter the current date and time.
* Click OK twice.
* Close and open the QB program again.
* Run the update of QBDT one more time.

### Check your internet connection
* Go to the Help menu.
* Choose Internet Connection Setup.
* Click on the option that says Use my computer's Internet connection settings to establish a connection when this application accesses the Internet.
* Choose Next.
* Click on Advanced Connection Settings.
* Hover over the Advanced tab.
* Choose Restore Advanced Settings.
* Click OK, followed by Done.
* Update the QB Desktop again and see if the error is resolved.

### Verify the internet security settings
This error can occur due to internet security or firewall settings. You must verify the configuration of your internet security or firewall settings. For this, enable ports 80 and 443 and provide access to the following files:

* AutoBackupExe.exe
* Dbmlsync.exe
* DBManagerExe.exe
* FileManagement.exe
* FileMovementExe.exe
* IntuitSyncManager.exe
* QBCFMonitorService.exe
* QBDBMgr.exe
* QBDBMgrN.exe
* QBGDSPlugin.exe
* QBLaunch.exe
* QBServerUtilityMgr.exe
* QBW32.exe
* QuickBooksMessaging.exe

In case other processes are using these ports, then the QB Database server uses a fallback port, 56719.

**Read**:- [QuickBooks Rebuild Error 213](https://asquarecloudhosting.com/how-to-resolve-quickbooks-rebuild-error-213-duplicate-name-error/) appears during data verification. Run the rebuild tool, fix corrupted entries, and secure backup immediately.

## Conclusion
We hope that this blog is sufficient to help you resolve QuickBooks error 12045. To demonstrate the reasons, it provides you with a segment including certain key factors causing it.

Furthermore, you are also given some technical methods to tackle this issue. If you don't want to take the risk of resolving it yourself, consider consulting a professional for assistance. Dial [phone] to talk to a QB advisor.