QuickBooks Error 6010, 100 indicates that an error has occurred while QuickBooks installation and there is a need to reinstall the application form. There might be several reasons that may trigger this error, however the most common is firewall or antivirus program installed on the windows computer has interrupted QuickBooks usage of the network or has deleted a few of the QuickBooks files.

You can easily call Support Number for QuickBooks Desktop for prompt assistance.

As there are, also other reasons that will provoke this error, it is necessary to understand the affecting cause to rectify this error. Have a look at causes and solutions for this error the following within our article.

Why Error 6010, 100 take place in QuickBooks:
If Network Device files (.ND) are detached from the QuickBooks and its particular log files (.TLG).
In the event Mcafee or any other antivirus programs like ESET NOD32 is installed on the system and is monitoring and preventing QuickBooks from accessing Network and system resources.
If registry-optimizing application installed on Windows has deleted QuickBooks registry files from the computer.
Simple tips to resolve QuickBooks Error 6010, 100
Switch to Single-User mode:

Exit QuickBooks application and Restart your pc.
Press and hold along the CTRL key and then click the QB icon to open the application form. (Holding down the control key while opening QuickBooks application will run the application without opening the company file with it).
Now underneath the File tab click Utilities and then select Stop Hosting Multi-User Access.
Now for the confirmation, click Yes and proceed.
Restart the application once.
Rename Network Device (.ND) file:

Under QuickBooks directory on your pc search for network device file with .ND extension, which is obtaining the same name as the company file.
Rename the file and add (old) at the end of its name.
Now Restart QuickBooks application.
Reinstall the QuickBooks application:

Click the Start button on the Windows computer.
Select Control Interface.
Click Uninstall an application.
Click QuickBooks application and uninstall the app.
Now Download QuickBooks Clean Install Tool and run it.
Click I Accept and continue.
Select the QuickBooks version that you would like to set up and then click Continue.
Click OK and install QuickBooks.
Now Start the QuickBooks application.
Additionally, you can look at disabling your antivirus or firewall program temporarily if this resolves your issue then exclude QuickBooks application and its particular processes from such security software.