goto adobe support.you may not be able to use that version of flash player i do believe in win98 your version is just a little to new i went back to my add and remove software un installed and then re install version 8 or 9.0 only not 9.0.????? you must read there tech notes on witch version is right for win98 now win98 uses a different version too i believe limit on windows 98 flash player also download shockwave too and this should fix it
jeffrey gallagher, September 2010