Since changing file servers yesterday, Weather Watcher (all versions before 5.0.27) is looking in the wrong location to check for new updates. The popup looks like:
To fix the problem, simply download and install the latest update from the following URL:
Please note that the popup is not spyware, spam, etc., as some people thought. It includes a web site called www.MetalForums.com…. which is one of my file mirrors.