Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

ابحث في الدعم

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

nsappshell event window error

  • 1 (رد واحد)
  • 5 have this problem
  • 1 view
  • آخر ردّ كتبه guigs

bsimple7
bsimple7
more options

I keep getting a nsappshell event window application error. I dont know how to fix it.

I keep getting a nsappshell event window application error. I dont know how to fix it.

All Replies (1)

guigs
guigs
more options

In the past this was caused by a bad plugin or addon, to double check please try to start it in Safe Mode. Diagnose Firefox issues using Troubleshoot Mode