• The Sage 50 update has new files not recognized by your Windows Firewall.
• New version of the MySQL Connector ODBC was installed.
• Update was not installed on Server.

1. Restore the company file or move the SAI file and SAJ folder in another location.
2. Do not put the company file in the temporary folder C:\Temp.
3. Try to open the company file again.

Method 2: Manually authorize each new Sage 50 files

1. Follow the instructions in Which processes and ports do I need to allow through my firewall to ensure that Sage 50-Canadian Edition will operate correctly? for instructions on adding each process to your Firewall.
2. Verify that you can now open your company.

Method 3: Automatically update the Windows Firewall

1. Uninstall Sage 50.
2. Open the Control Panel then Programs & Features.
3. Right-click Sage 50 Accounting and select Uninstall.
4. Install Sage 50 by browsing to C:\Sage\.
5. Open the latest Sage 50 installation folder (usually has the year in it).
6. During the Sage 50 installation, Sage 50 will offer the choice to automatically update your firewall.
7. Click Yes.

Method 4: If error message no longer states an issue with the firewall

1. Please refer to Error: "Database engine timed out while serving the connection" when opening a company file locally
2. Verify that you can now open your company
3. If the data file was stored on an external flash drive and the sample company still opens, the file could be damaged

Method 5: Install the latest update on the Server

1. Install the latest update on the Server.
2. Refer to Sage 50 Product and Payroll Updates

Method 6: The error happens randomly or the sample company doesn't open

1. The computer may have malware
2. See Program doesn't open when opening a file or using the program icon