Join the Mozilla’s Test Days event from 9–15 Jan to test the new Firefox address bar on Firefox Beta 135 and get a chance to win Mozilla swag vouchers! 🎁

Avatar for Username

Search Support

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

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

Multiple extension updates fail on v3.6.13, Win 7 desktop box...

  • 1 amsa
  • 11 sa na da wannan matsala
  • 2 views
  • Amsa ta ƙarshe daga the-edmeister

rsgriff
rsgriff
more options

Firefox could not install the file at

http://releases.mozilla.org/pub/mozilla.org/addons/1865/adblock_plus-1.3.3-fn+fx+sm+tb.xpi

because: Unexpected installation error Review the Error console log for more details -203 same error message (specific to extension) occurred for:

'''Firefox could not install the file at http://releases.mozilla.org/pub/mozilla.org/addons/1865/adblock_plus-1.3.3-fn+fx+sm+tb.xpi because: Unexpected installation error Review the Error console log for more details -203 ''' same error message (specific to extension) occurred for:

All Replies (1)

the-edmeister
the-edmeister
  • Moderator
more options

http://kb.mozillazine.org/Unable_to_install_themes_or_extensions_-_Firefox#Unexpected_installation_error_-203