Stumbled upon QuickBooks error code 6010 and don’t know what to do? If yes, then today’s post will be helpful for you. This error code appears with an error message stating as:
“Your QuickBooks installation may have been modified. Try re-installing QuickBooks and then try again”.
Or
“An error occurred. Your QuickBooks installation may have been modified. Try re-installing QuickBooks and then try again” (-6010, -100).”
This error disables the user from opening the QuickBooks file. This error indicates that the user is not permitted to access the network due to which the error occurs.

read more: https://qbsenterprisesupport.com/quickbooks-error-code-6010-100/