Installation and update related error have irked QuickBooks users. What is more annoying is the large number of errors and their diversified sources. However, every error has a unique set of sources that need to be resolved for the permanent rectification of the error. In the present discussion, our focus is on QuickBooks Error 12045. The present piece of writing shall entail the various causes, and practicable measures for fixing this QuickBooks installation and update error.

What causes QuickBooks Error 12045?

The various causes of this QuickBooks update error are:

  • Erroneous date and time on the computer.
  • The current user account may not be possessing sufficient folder permissions.
  • Multiple QuickBooks versions installed on the computer.
  • Security programs like the Windows Firewall could be preventing the update process from proceeding.

Different solutions to curb QuickBooks Error 12045

This QuickBooks update error can be kept in check by adhering to some viable solutions given below:

Solution 1: Resolve Date & Time issue

  • The first action requires the user to double-check the correctness of the date and time on the computer. If the same show any mismatch from the present time and date, then proceed by right-clicking on the time and then opting for Adjust date/time.
  • Following that, make alterations and also correct the Time zone.
  • Follow up by choosing the Apply tab, and then clicking on Ok.

Solution 2: Try the update process manually

To start with access the Intuit website, and upon opening the website, make a move to the Downloads page. Herein, the user is required to choose the version and year of the product, and then download the updates for QuickBooks manually. Subsequent to that, double-click the downloaded update file to commence with the update process.

Solution 3: Using SFC/scan now in cmd

System File Checker is a potential tool in Windows O/S which can be used for resolving different types of misconfigurations, data damage issues and corruptions in the system files. By the use of this tool, users can also fix QuickBooks Error 12045. 

  • First of all, open the command prompt by simply typing “cmd” in the start menu.
  • Followed by that, the user should type "SFC/scan now" in the cmd. 
  • Now, hit the Enter key to start an array of operations.
  • Once done, restart the computer and try the QuickBooks update process again.

Solution 4: Configuring Internet Settings

  • The initial step requires the user to launch QB Desktop, and then hop onto the Help tab.
  • Therein, go with Internet Connection Setup. 
  • Afterwards, make a move for the Advanced Connection Settings. 
  • Herein, the user should hit on Advanced, and then choose the option to Restore Advanced settings. 
  • Once done with the foregoing steps, tap on Apply, and finalize the process by hitting on Ok.