When using Webroot antivirus software, when trying to open Sage 50 Accounts v28, you may find the opening splash window appears briefly and then the software closes.
This happens because the Sage sg50Filter.dll file is being quarantined by Webroot. This file is safe and the threat is a false positive.

TIP: You can check the file is safe using another provider such as Windows 10 Microsoft Defender or a third-party online scan.
To resolve this, you must add the Sage installation folder to the Webroot antivirus exceptions, then either restore the quarantined file in Webroot, or reinstall Sage 50 Accounts.
| 32 bit | C:\Program Files\Sage\Accounts
|
| 64 bit | C:\Program Files (x86)\Sage\Accounts |
For further help with this, please speak to your IT support.
To restore the quarantined files from Webroot:
For further help please refer to the following Webroot Support Guide.
Try and open your company in Sage 50 Accounts.
If there is still a problem or there are no Sage files quarantined previously, uninstall and reinstall Sage 50 Accounts.
NOTE: Follow our article to Modify your antivirus software to work alongside Sage 50 Accounts.