This QuickBooks Error 6000-83 error persists when you want to access, restore and get a backup of the file. It may occur whenever the files of the QB are blocked by the antivirus or Firewall. It may be caused due to a corrupted company file or folder. This may happen due to the wrong installation of the software QB. It may be caused when two users use separate workstations and want to access a single or a particular file of the company. Due to some limitations of the server can create this problem. When the required files for the software are not made available. The QB may get glitches or the user may face a slowdown. Sometimes the operating system crashes down. To eliminate this error users should change the name of the backup file or create a portable file. Hosting may create this error, one should check to host or turn off it. To ease the process, use the QB Doctor Tool and check the services of the Linux server. Additional IT knowledge is not required to counter this error, one should apply the solutions carefully.