1) Copy the files SpotRemover.dll and SpotRemover.chm to the VirtualDub's plugins folder.
2) Start VirtualDub.
3) Select the Filters command in Video menu, and click Add button.
4) Select SpotRemover from the list of filters.
5) If you need, adjust the configurable parameters.
A brief reference about any parameter is available if you click on the question mark
on the configuration window title and then click on the parameter of interest, or just press
the F1 key.
Click on the Help button for detailed instructions.
6) You can also use cropping to take out black areas at the edges, but keep in mind that SpotRemover will process only even frame dimensions.