Copying the file on your local workstation or on the desktop and opening it, you are testing if there is a problem with the location of the company file. If the file opens while it is saved on the desktop, it means the location is probably damaged or it is "too deep", it exceeded the file system path limitation. If the file still did not open after changing it's location, it is possible the file is damaged.
Several operations in QuickBooks cannot be accomplished across your network. These include:
Note: If the full QuickBooks program is not installed on your server, you will need to copy the file from the server to your local workstation, perform the tasks, and then copy the file back to your server.