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QuickBooks POS Assertion Failed

What is QuickBooks POS Assertion Failed?

While using QuickBooks Point of sale software users come across failures. That is when QuickBooks POS fails to function properly and throws a QuickBooks POS assertion failed error.

QuickBooks desktop point of sale might throw an assertion failure while the user is trying to open the company file. There might be other scenarios as well when this occurs. When you open your company file in point of sale, if you see one of the failures mentioned below, follow the troubleshooting steps to get rid of an assertion failure in QuickBooks POS.

What are the causes of QuickBooks POS Assertion Failed or Error when opening company file in point of sale

  1. QuickBooks POS cannot read the database location i.e. cannot connect to the data file
  2. QuickBooks POS is unable to find the location of the company file
  3. QuickBooks POS is installed in a workstation, not a server
  4. QuickBooks POS is not running in administrator mode
  5. QuickBooks POS company data file has errors and is corrupted or damaged
  6. QuickBooks POS database server manager is not working
  7. QuickBooks POS is not up to date

How to fix QuickBooks POS Assertion failed or error when opening company file in QuickBooks POS

When the user is unable to open the QuickBooks POS company file. Perform these troubleshooting steps and get the assertion error fixed in POS.

Solution 1 – Use QuickBooks File Doctor To Repair QuickBooks POS Company File Damage

If the issue is with the company file. Check the log files and if you see errors in the QBwin.log file try to repair the company file using file doctor.

Solution 2 – Restart QuickBooks POS Services

Solution 3: Create a new test company file

Solution 4: Restore from QuickBooks POS company file backup stored locally

Solution 5: Rename the QuickBooks POS Company File

Contact QuickBooks POS Experts To Repair QuickBooks POS Assertion Failed

If the above solutions don’t fix the error. Get help from one of our QuickBooks POS experts to repair the QuickBooks POS Assertion failed error. Dial +1888-300-6790 to reach out to our QuickBooks 24/7 support representative.

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