Is something wrong with Firebug and Firepath?

My Firebug and Firepath were working fine, but they just started acting stran开发者_StackOverflow中文版ge. When I click on objects on webpage, and do Inspect Element, it just does nothing. I didn't update or do anything on firefox. Anyone else having similar issues?

---

Well I tried the next release 1.8.1b1 and it still failed. I reinstalled 1.7.3 and its working again. Here is the link:

Addon Firbug 1.7.3 Download

and the versions page:

https://addons.mozilla.org/en-US/firefox/addon/firebug/versions/

---

It's ok now,firepath 0.9.7 is compatable with firebug 1.8