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Why is installing firefox easy on windows or Mac, but a nightmare on Linux?

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When I try to run Firefox 5.0 on Linux, I get:

./firefox-bin: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found (required by /tmp/firefox/libxul.so)

When I try to run Firefox 5.0 on Linux, I get: ./firefox-bin: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found (required by /tmp/firefox/libxul.so)

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  • Bug 621704 - Lib dep problem: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found (required by .../libxul.so)