![Firefox logo](https://assets-prod.sumo.prod.webservices.mozgcp.net/media/uploads/products/2020-04-14-08-36-13-8dda6f.png)
What does this script do? resource://gre/modules/XPCOMUtils.jsm:271
Firefox (5) hangs, & eventually I get an "Unresponsive script" warning.
Firefox (5) hangs, & eventually I get an "Unresponsive script" warning.
Firefox (5) hangs, & eventually I get an "Unresponsive script" warning.