so when i play fallout new vegas sometime this tab called ActiveMovie Window pops up and closes my fallout tab some times i can x out of it and open the fallout tab and play again but sometimes when i try to x out of this ActiveMovie Window tab it just pops back up super fast and then im like ok ill just try to open the Fallout tab again but it close as i open the tab again so then i have to x out of everything and start the game again

mostly im getting the problem of the ActiveMovie Window reopening super fast and not closeing when i press x is with the mod called beyond boulder dome and if you dont know what that is heres a link
http://www.nexusmods.com/newvegas/mods/46907/?

so do any of you guys know this problem or know how to fix it that would be great thanks

Why don't you just uninstall ActiveMovie? Shouldn't your windows already have Window Media Player?

i dont know what any of that is how do i get rid of ActiveMovie Window i cant find it

use the uninstall a program tool that comes with windows and then locate and uninstall it.