firefox crashes on 64bit because of flash

[giorsat]

hi. everytime I try to play a youtube video with firefox , it crashes.. I have the default firefox and flash plugin installed
with chrome everything works fine.
any solution?

Gdk-WARNING **: GdkWindow 0x2e00020 unexpectedly destroyed

(<unknown>:4517): Gdk-WARNING **: GdkWindow 0x2e00003 unexpectedly destroyed
###!!! ABORT: X_ChangeProperty: BadWindow (invalid Window parameter); 26 requests ago: file ../../../toolkit/xre/nsX11ErrorHandler.cpp, line 182
_XError+0x000000CC [/usr/lib/libX11.so.6 +0x00047B6C]
UNKNOWN [/usr/lib/libX11.so.6 +0x0004EF8C]
_XEventsQueued+0x00000037 [/usr/lib/libX11.so.6 +0x0004F987]
XPending+0x0000005D [/usr/lib/libX11.so.6 +0x0003826D]
UNKNOWN [/usr/lib/libgdk-x11-2.0.so.0 +0x00061F95]
g_main_context_check+0x0000025A [/lib/libglib-2.0.so.0 +0x00046CFA]
UNKNOWN [/lib/libglib-2.0.so.0 +0x000476C3]
g_main_context_iteration+0x0000006C [/lib/libglib-2.0.so.0 +0x00047AFC]
UNKNOWN [/usr/lib/xulrunner-1.9.2/libxul.so +0x00D5B088]
UNKNOWN [/usr/lib/xulrunner-1.9.2/libxul.so +0x00D37168]
UNKNOWN [/usr/lib/xulrunner-1.9.2/libxul.so +0x00D41527]
UNKNOWN [/usr/lib/xulrunner-1.9.2/libxul.so +0x00D516DE]
UNKNOWN [/lib/libpthread.so.0 +0x000068BA]
clone+0x0000006D [/lib/libc.so.6 +0x000CF02D]
Segmentation fault

[autocrosser]

Have you tried the Adobe Labs "Square" 64bit preview? I'm at work right now---if you are interested, I can get the link & post it.....

[giorsat]

it's the version I am using