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my Firefox go to internet correctly. but IE and chrome don't see the internet. my windows is 7 and i check the proxy in windows ...

before when i have similar to this error check the proxy settings... but now ... i dont know what shoot this trouble ;)

proxy internet explorer and windows

my IE version is 9.0.8

fire fox is version 17

chrome is 24

Firefox setting

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Does Firefox stop working if you select "Use system proxy settings"? –  Jonathan S. Feb 8 '13 at 19:08
Have you tried to update both Chrome and Firefox to the current version? –  Ramhound Feb 8 '13 at 19:20
@georgefox not related to proxy. –  saber tabatabaee yazdi Feb 9 '13 at 3:49
@Ramhound updated –  saber tabatabaee yazdi Feb 9 '13 at 3:49

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