Tbird causes pc to stop responding.
TBird 38.1.0 (auto update on), Lenovo T61, Win 7 Pro (auto update on), Microsoft Security essentials (auto update on).
Problem started a couple of days ago after a calendar add on (Lightning?) was forced installed without any request or authorization. Now TB starts but then PC stops responding shortly thereafter. A message or two may download before the full stop. PC has to be powered off using power switch.
Starting TB in safe mode with shift key seems to restore normal operation. Using the safe mode start, all addons have been disabled and removed. Or at least I think so.
الحل المُختار
That was also my problem ones and you find lot of answers suggesting turning hardware acceleration of. But most of the time its down to old drivers. I updated mine and problem solved.
I'm surprised you got this problem after last update. It is on a page from 2012 and maybe earlier http://kb.mozillazine.org/Troubleshooting_Information_report
You might as well close this because we in support are users like you, not developers.
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الحل المُختار
That was also my problem ones and you find lot of answers suggesting turning hardware acceleration of. But most of the time its down to old drivers. I updated mine and problem solved.
I'm surprised you got this problem after last update. It is on a page from 2012 and maybe earlier http://kb.mozillazine.org/Troubleshooting_Information_report
You might as well close this because we in support are users like you, not developers.
Modified by Gnospen