Firefox crashing when playing Zynga games (farmville, frontierville, farmtown, etc) and shuts down computer

Question

See box below for example of error report. Flash is installed. Gateway Windows Vista. Is it a loading issue or needs more size added to Firefox while playing games? Shuts down Firefox and crashes computer.
Application Basics
Name Firefox
Version 3.6.6
Profile Directory Open Containing Folder
Installed Plugins about:plugins
Build Configuration about:buildconfig
Extensions
Name Version Enabled ID
Microsoft .NET Framework Assistant 0.0.0 true {20a82645-c095-46ed-80e3-08825760534b}
Google Shortcuts 2.0.6 true {5C46D283-ABDE-4dce-B83C-08881401921C}
Modified Preferences
Name Value
browser.history_expire_days.mirror 180
browser.history_expire_days_min 30
browser.places.importBookmarksHTML false
browser.places.smartBookmarksVersion 2
browser.startup.homepage_override.mstone rv:1.9.2.6
browser.tabs.loadInBackground false
extensions.lastAppVersion 3.6.6
network.cookie.prefsMigrated true
places.last_vacuum 1277642585
privacy.sanitize.migrateFx3Prefs true
privacy.sanitize.timeSpan 0
security.default_personal_cert Select Automatically
security.disable_button.openCertManager false
security.disable_button.openDeviceManager false
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Installed plugins
Find more information about browser plugins at mozilla.org.
Help for installing plugins is available from plugindoc.mozdev.org.
Adobe Acrobat
File: nppdf32.dll
Version: 9.3.0.148
Adobe PDF Plug-In For Firefox and Netscape
MIME Type Description Suffixes Enabled
application/pdf Acrobat Portable Document Format pdf Yes
application/vnd.adobe.pdfxml Adobe PDF in XML Format pdfxml Yes
application/vnd.adobe.x-mars Adobe PDF in XML Format mars Yes
application/vnd.fdf Acrobat Forms Data Format fdf Yes
application/vnd.adobe.xfdf XML Version of Acrobat Forms Data Format xfdf Yes
application/vnd.adobe.xdp+xml Acrobat XML Data Package xdp Yes
application/vnd.adobe.xfd+xml Adobe FormFlow99 Data File xfd Yes
Mozilla Default Plug-in
File: npnul32.dll
Version: 1.0.0.15
Default Plug-in
MIME Type Description Suffixes Enabled
* Mozilla Default Plug-in * No
Shockwave Flash
File: NPSWF32.dll
Version: 10.1.53.64
Shockwave Flash 10.1 r53
MIME Type Description Suffixes Enabled
application/x-shockwave-flash Adobe Flash movie swf Yes
application/futuresplash FutureSplash movie spl Yes
Silverlight Plug-In
File: npctrl.dll
Version: 4.0.50524.0
4.0.50524.0
MIME Type Description Suffixes Enabled
application/x-silverlight npctrl scr Yes
application/x-silverlight-2 Yes
Windows Presentation Foundation
File: NPWPF.dll
Version: 3.5.30729.1
Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
MIME Type Description Suffixes Enabled
application/x-ms-xbap XAML Browser Application xbap Yes
application/xaml+xml XAML Document xaml Yes
Google Update
File: npGoogleOneClick8.dll
Version: 1.2.183.23
Google Update
MIME Type Description Suffixes Enabled
application/x-vnd.google.oneclickctrl.8 Yes
Java(TM) Platform SE 6 U20
File: npjp2.dll
Version: 6.0.200.2
Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers
MIME Type Description Suffixes Enabled
application/x-java-applet Java Applet Yes
application/x-java-bean JavaBeans Yes
application/x-java-vm Yes
application/x-java-applet;version=1.1.1 Yes
application/x-java-bean;version=1.1.1 Yes
application/x-java-applet;version=1.1 Yes
application/x-java-bean;version=1.1 Yes
application/x-java-applet;version=1.2 Yes
application/x-java-bean;version=1.2 Yes
application/x-java-applet;version=1.1.3 Yes
application/x-java-bean;version=1.1.3 Yes
application/x-java-applet;version=1.1.2 Yes
application/x-java-bean;version=1.1.2 Yes
application/x-java-applet;version=1.3 Yes
application/x-java-bean;version=1.3 Yes
application/x-java-applet;version=1.2.2 Yes
application/x-java-bean;version=1.2.2 Yes
application/x-java-applet;version=1.2.1 Yes
application/x-java-bean;version=1.2.1 Yes
application/x-java-applet;version=1.3.1 Yes
application/x-java-bean;version=1.3.1 Yes
application/x-java-applet;version=1.4 Yes
application/x-java-bean;version=1.4 Yes
application/x-java-applet;version=1.4.1 Yes
application/x-java-bean;version=1.4.1 Yes
application/x-java-applet;version=1.4.2 Yes
application/x-java-bean;version=1.4.2 Yes
application/x-java-applet;version=1.5 Yes
application/x-java-bean;version=1.5 Yes
application/x-java-applet;version=1.6 Yes
application/x-java-bean;version=1.6 Yes
application/x-java-applet;jpi-version=1.6.0_20 Yes
application/x-java-bean;jpi-version=1.6.0_20 Yes
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Answer 1

Why do you have to keep adding new items to farm town when the servers you have cant cope now?? No wonder so many people left, but now i see you are adding new items to get them all back, well all my friends have stoped playing because of all the problems. The main problam i have is that i cant work on other people farms therefore i cant earn coins ect ect, I keep getting this bloody sign saying connection to server timed out please tick the tick to reload the game, and as you know thats the end of that job. Please get your servers sorted out before adding anymore new items, I usually use firefox but i have also used IE they are both the same makes no differance. Regards John