Problem

After upgrading the VMS to version 3.19 (or later) an application error occurs when attempting to launch the VMS on a Windows PC. The Application Error pop-up opens stating that the VMS cannot be opened and when clicking Details the error information provided will complain about a Look and Feel.

Example 1:

Example 2:

Solution

This error occurs if certain Look & Feel entries are stored in the user's computer registry. These entries are not always compatible with version 3.19 (or later).

To remove the Look and Feel entries:

Open the registry with the regedit command.
Search for and locate dataloy (HKEY_CURRENT_USER - Software - JavaSoft - Prefs - com - dataloy - client - gui).
Locate the key/entry named L/F or L&F (Short for Look & Feel).
Delete the L/F or L&F entry.
Relaunch Dataloy VMS.

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