If your computer is on a network, all Sage 50 Accounts users need to log out, then restart the computer that holds your data.
Restart the computer where you keep your data, then re-open Sage 50 Accounts again
If the error still appears, or you're unable to restart this computer, continue to the Restart your computer section.
Restart your computer
We recommend you restart the computer you currently use, then try to open Sage 50 Accounts again.
If the issue continues, follow the Check the status of the Sage data service section.
Check the status of the Sage data service
On the computer where your data is held, press the Windows key + R on your keyboard.
Type services then press Enter on your keyboard.
In the list of services, find the relevant Sage 50 Accounts Service version. You can use our check your version number article if you're unsure what this is.
NOTE:
NOTE: If the service is missing, run the installer again as this is the reason for the error message.