How to Resolve QuickBooks Error 6073?

QuickBooks Error 6073 takesplace when the user is trying to open the company file. QuickBooks Error code
6073 comes with the message that QuickBooks accounting software is not able to
open the company file. The message also states that the company file may have
been opened by another user.
 
What causes QuickBooks Error Code6073 ?
 
Any of the following factors can lead to error 6073
The company file that you are trying to open is alreadyopened on some other PC in single-user mode.
The folder in which your QB company file is stored is only aread-only network folder.
A Linux server has been used to host the files and more thanone set of login credentials is being used to login into the shared folder.