MinSPs & VxD help

My computer tells me I need to increase my MiSps, How do I do this? is it a safe thing to do? and What does it mean ? (system INI) Also, My window also shows VxD4sps allocated, What does this mean? What can I do about it ? Jim reeve 1- 856- 795 4225 (E-Mail Removed) Help, Please Someone, Anyone