I cannot open Safari.I cannot conect to the internet.

Hi,
I canot connect to the internet.Everytime I try opening Safari a massage appears ´Safari quits unexpectedelly´.
When I try firefox still does not work.
This is the error report:
problem details Process: Safari [162] Path: /Users/leyre/Desktop/Safari.app/Contents/MacOS/Safari Identifier: com.apple.Safari Version: ??? (???) Build Info: WebBrowser-55301900~3 Code Type: X86 (Native) Parent Process: launchd [70] Date/Time: 2012-03-19 19:52:32.158 +0000 OS Version: Mac OS X 10.5.6 (9G2133) Report Version: 6 Exception Type: EXC_BREAKPOINT (SIGTRAP) Exception Codes: 0x0000000000000002, 0x0000000000000000 Crashed Thread: 0 Dyld Error Message: Symbol not found: _WebActionFormKey Referenced from: /Users/leyre/Desktop/Safari.app/Contents/MacOS/Safari Expected in: /System/Library/Frameworks/WebKit.framework/Versions/A/WebKit -------
Any hel would be much appreciated.

Thanks.I will try this.
Just one thing, will a fresh intallation erase data (other than OS X stuff) from my harddisk?
In other words, Should I need to make a backup first?
Thanks.

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 Cheers, Tom

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~~~~~~~~~~~~~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~
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http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
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~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

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http://support.apple.com/kb/ht5621
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http://support.apple.com/kb/HT4895
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http://support.apple.com/kb/HT5796?viewlocale=en_US&locale=en_US
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http://support.apple.com/kb/ht4627
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~~~~~~~~~~~~~~~~~~~~~~~~~
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Apple's iOS 6 Wi-Fi problems
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~~~~~~~~~~~~~~~~~~~~~~~
iPad: Issues connecting to Wi-Fi networks
http://support.apple.com/kb/ts3304
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http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.hmL
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http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
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How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
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http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

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I can't connect to facebook. It keeps saying cannot connect to the internet but I am connected as I can access we pages with no problem

Hello there, Patrick.
The following Knowledge Base article offers up some great steps to try when troubleshooting issues with an app you've downloaded to your iOS device:
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http://support.apple.com/kb/ts1702
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I cannot open Safari.I cannot conect to the internet.

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