QB Issue Resolution:

yes QB 2015 was the first year that works on win10, you need to upgrade to 2019

if it still will not open the company data file, it may need to be stepped up, 2010 is 9 years old and the data base format has changed, have intuit data services try to step it up to 2019

Resolution for Issue 'Today when I picked up my computer, they said the data is on the computer but they cannot get QB to open it. Feeling very frustrated, any thoughts on recovery of it?' available: Yes (Solved).
Source: Intuit Community forum.

Today when I picked up my computer, they said the data is on the computer but they cannot get QB to open it. Feeling very frustrated, any thoughts on recovery of it?: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.

Support for company data file
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