Login Error Invalid User ID or Password
You may experience a login error, failed, wrong, invalid or incorrect password or User Name for DataLink even though you have the correct ID and Password. Metastock made changes to their login server that requires an update to Metastock.
Metastock 15, 16,17
How to upgrade
You will need to uninstall Metastock first but should not affect your files as still in place.
Lost Password to metastock.com website