Event Message:

A lock error has occurred. This could happen if the WINS is trying to send a response on a dialogue that is no longer ACTIVE. An implicit dialogue can cease to exist if the association it is mapped to terminates. In such a case, getting a lock error is fine. It is normal.

Source Event Log Event ID Event Type
Wins System 4281 Error

Explanation:

WINS is trying to send a response on a dialog box that is no longer active. An implicit dialog box can cease to exist if the association it is mapped to terminates.

User Action:

In such a case, it is normal to get a lock error. In such a case no user action is required.