If you're wondering "how to fix QuickBooks unexpected error 5", you can try a few fixes, including running QuickBooks as an administrator, fixing the QuickBooks installation, and updating QuickBooks to the most recent version. Other fixes include enabling User Account Control, adding QuickBooks to the list of trustworthy applications in your antivirus application, and checking the network connection and permissions on your computer. You might need to speak with QuickBooks support for more help if the error continues.
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