User-Agent: Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; rv:2.0b3) Gecko/20100805 Firefox/4.0b3 Build Identifier: Mozilla/5.0 (Windows; Windows NT 6.1; WOW64; rv:2.0b3) Gecko/20100805 Firefox/4.0b3 Error: uncaught exception: [Exception... "Cannot modify properties of a WrappedNative" nsresult: "0x80570034 (NS_ERROR_XPC_CANT_MODIFY_PROP_ON_WN)" location: "JS frame :: chrome://global/content/bindings/autocomplete.xml :: onxblpopuphiding :: line 845" data: no] this error i got when i use jquery framework and uses it ajax function it only occurs when i use async = true whis is default when i make it false it stats working flawlessly please check Reproducible: Always
If this is reproduceable in older Fx Versions (from 3.0 onwards), this might be a Dupe of Bug 428602.
This bug was reported using a pre-release version of Firefox 4. Now that Firefox 4.0.1 final has been released, can you please update and retest your bug? A fresh profile would be a good starting place to test, http://support.mozilla.com/kb/Managing+profiles. If you continue to see the issue, can you please update this bug with your results? Filter: firefox4prebugsunco