basepath: D:\Program Files\GameData\base
mapspath: D:\Program Files\GameData\base\maps
remotebasepath: D:\Program Files\GameData\base
entitypath for MP: D:\Program Files\GameData\Tools\MP_entities.def
entitypath for SP: D:\Program Files\GameData\Tools\SP_entities.def
texturepath: D:\Program Files\GameData\base\textures
Assuming that your editing tools are in D:\Program Files\GameData\Tools. If it can't handle the long names with spaces than use the short name of Program files which is probably PROGRA~1.