There are several factors that lead to QuickBooks Error Code 6010, some of them are given below for your reference:
1. .ND are files disconnected from QuickBooks and the log files (.TLG).
2. The registry-optimizing application present in your system has deleted your QuickBooks registry files
3. Anti-virus programs such as ESET NOD32 are blocking QB from reaching Network and system resources.
You need to follow the above methods and steps in a definite order to solve “QuickBooks Error 6010”. If the problem remains unresolved then speak to our ProAdvisor at QuickBooks Customer Service + 1-855-729-7482.