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 +1-855-738-7873.