yes easy as that, feel free to tear your hair out for this issue, and no there is no solution for this just yet and not any time soon, only solution is you have to uninstall wacom driver to magically get your Flex Builder 3 work properly again (no reboot need), woot! i don't think much ppl have this issue…should be only hybrid designer/developer like me, and even worst Flash Builder 4 didn't have this problem which mean no fix Flex Builder 3 nice ehh? don't believe me? here's Adobe said https://bugs.adobe.com/jira/browse/FB-24547 unfortunately Flash Builder 4 beta still BUG be