QuickBooks Error

[Charles Garfield]

Fix QuickBooks Error 12045: When the Update Server Can’t Be Reached

QuickBooks Error 12045 is a common update error that occurs when the software cannot connect to the update server. This issue typically prevents users from downloading the latest updates for QuickBooks Desktop or payroll services, which are essential for maintaining security, stability, and accurate functionality. When QuickBooks cannot reach the update server, it usually means there’s a problem with your system’s internet connection, date and time settings, or security configuration.

Main Causes of Error 12045

Several factors can interfere with QuickBooks’ ability to communicate with the server:

• Incorrect system date or time settings on your computer.

• Weak or unstable internet connection.

• Firewall or antivirus software blocking QuickBooks from accessing update servers.

• SSL settings or browser configurations in Internet Explorer not set properly.

• Multiple instances of QuickBooks running simultaneously.

Step-by-Step Solutions to Fix QuickBooks Error 12045

1. Correct the Date and Time Settings

   • Right-click the time display on your desktop and select Adjust date/time.

   • Make sure the date, time, and time zone are accurate.

   • After adjusting, click OK and reopen QuickBooks to retry the update.

2. Check Your Internet Connection

   • Open Internet Explorer (QuickBooks uses its settings) and try visiting any website.

   • If it doesn’t load, troubleshoot your network connection.

   • Go to Tools > Internet Options > Connections > LAN Settings, and ensure “Automatically detect settings” is enabled.

3. Adjust Firewall and Security Software Settings

   • Open your firewall or antivirus program and check if it’s blocking QuickBooks.

   • Add QuickBooks and its executable files (e.g., QBW32.exe, QBDBMgrN.exe) to the allowed list.

   • Restart your computer and attempt the update again.

4. Configure SSL Settings in Internet Explorer

   • In Internet Explorer, go to Tools > Internet Options > Advanced tab.

   • Scroll to the Security section and ensure both SSL 2.0 and SSL 3.0 options are checked.

Final Thoughts

QuickBooks Error 12045 usually stems from internet or configuration issues that block access to the update server. By verifying your date and time settings, ensuring a stable network, and adjusting firewall and SSL configurations, you can quickly restore connectivity and complete your update successfully. Regular system maintenance helps prevent this error in the future.