The TZ170 with Gateway AV seems to block some exe's but not others. From the GRC free stuff page
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I can download LeakTest and UnPlug n' Pray, but not Shoot The Messenger when going through the TZ170. Disabling HTTP protocol filtering in the AV setup cures it. I wonder if it's an issue with the long file name being suspected as a buffer exploit. Anybody know if that's the issue?