Solve the Quickbooks error 1603

1
Quickbooks Error 6190 and 81

• Where does QuickBooks Multi-user Error 6190 come
  from?
• It's very likely that the file is saved in a
  location outside your computer, and you weren't
  allowed to access it there. When a file is open
  in a single-user mode on another computer, you
  will sometimes be restricted from accessing it
  from the server. Below is a list of possible
  explanations for the Quickbooks Error 6190 and 81
• 1. Files containing transaction logs and network
  data were damaged.
• 2. There are damage to the company's file.
• 3. QuickBooks program has been corrupted.

2
Solution for the Quicobooks error 6190

• Download and run File Doctor
• 1.Double-click the QuickBooks Tool Hub icon to
  start the application.
• 2. Select the Company File Issues tab from the
  left side of the window.
• 3. Click Run QuickBooks File Doctor.
• 4. Select the Browse button, then choose the
  company file from the QuickBooks folder.
• 5. Click Check your file and then select
  Continue.
• 6. Type your company file admin password if given
  the option.
• 7. Then click Next and wait for the repair to
  complete.
• 8. Restart QuickBooks ad check if the error is
  resolved.