Troubleshoot QuickBooks Update Error 12045 – (When Installing the Update)

QuickBooks Error 12045 Summary Card
Error Name: QuickBooks Desktop Update Error 12045
Error Family: family of 12xxx series
Root Cause: incorrect date, incorrect time settings, internet connection settings, Wrong date & time,
Using Multiple QuickBooks versions on the System, folder permission issues, Antivirus restriction
When It Comes: at the time of updating of the program
Effect: prevent users from installing the latest updates of QuickBooks rolled out by Intuit
Solutions: Reset QuickBooks Updates, Verify Computer Time and Date, Check Internet Network Settings, Multiple QuickBooks Versions, Configure Firewall and Security, Update Date and Time, Use SFC/scannow Command, Ensure Internet Connection, Configure Firewall Settings, Reset Previous QuickBooks Update, Uninstall Multiple QuickBooks Versions