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Pop-up message when Launching Firefox Mozilla

  • 2 cavab
  • 1 has this problem
  • 2 views
  • Last reply by Cheong

Cheong
Cheong
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Just updated Mozilla Firefox to 3.6.10 recently, and now every time when I launch Firefox. I will receive this message: "what happened:TypeError: this.installDir is null. " on a small window. click ok than the program will launched. Noted that this happen only when 1st time launching firefox onto the PC. I have even reinstall firefox but the same result message appear.

Just updated Mozilla Firefox to 3.6.10 recently, and now every time when I launch Firefox. I will receive this message: "what happened:TypeError: this.installDir is null. " on a small window. click ok than the program will launched. Noted that this happen only when 1st time launching firefox onto the PC. I have even reinstall firefox but the same result message appear.

All Replies (2)

TonyE
TonyE
  • Moderator
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This is caused by an add-on, see troubleshooting extensions and themes to identify which one.

I see you have the Ask toolbar, that toolbar has caused this error message for some people.

Cheong
Cheong Question owner
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I have tried as per your suggestion and removing the Ask toolbar and have solved my problem. Thanks for the advice.