YouTube uses Flash Player. Are you certain that other sites use it also ? If you have a media player what is the name ? What Flash Player version do you have ? The last version ? More infos >>>>> https://support.mozilla.org/en-US/kb/install-flash-plugin-view-videos-animations-games

Signature: npswf32_24_0_0_186.dll@0x3da24d Process Type plugin Shockwave Flash Version: 24.0.0.186 NPSWF32_24_0_0_186.dll = Shockwave Flash = Adobe Systems This is for Sumo's Related Bugs 1323808 RESOLVED INCOMPLETE Startup crash in npswf32_24_0_0_186.dll@0x3da24d correlated to Flash 24.0.0.186 ---------------------- If you have problems with current Shockwave Flash plugin versions then check this: * see if there are updates for your graphics drivers '''https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration''' * disable protected mode in the Flash plugin (Flash 11.3+ on Windows Vista and later) '''https://forums.adobe.com/message/4468493#TemporaryWorkaround''' * disable hardware acceleration in the Flash plugin '''https://forums.adobe.com/thread/891337''' See also: * '''http://kb.mozillazine.org/Flash#Troubleshooting'''