Important Notice: We're experiencing email notification issues. If you've posted a question in the community forums recently, please check your profile manually for responses while we're working to fix this.

On Monday the 3rd of March, around 5pm UTC (9am PT) users may experience a brief period of downtime while one of our underlying services is under maintenance.

Avatar for Username

ค้นหาฝ่ายสนับสนุน

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.

เรียนรู้เพิ่มเติม

หัวข้อนี้ถูกเก็บถาวรแล้ว โปรดถามคำถามใหม่หากคุณต้องการความช่วยเหลือ

I can't install the NirSoft toolbar since I installed the latest version of Firefox.

  • 1 การตอบกลับ
  • 2 คนมีปัญหานี้
  • 1 ครั้งที่ดู
  • ตอบกลับล่าสุดโดย the-edmeister

mjpsmith
mjpsmith
more options

Please help!

This is the error message that I get:

Firefox could not install the file at

http://ff.conduit-download.com/87/226/CT2267887/Downloads/Firefox/Releases/3.3.2.1/11-02-10-17.27.38.355/nirsoft.xpi

because: Unexpected installation error Review the Error Console log for more details. -203

Please help! This is the error message that I get: Firefox could not install the file at http://ff.conduit-download.com/87/226/CT2267887/Downloads/Firefox/Releases/3.3.2.1/11-02-10-17.27.38.355/nirsoft.xpi because: Unexpected installation error Review the Error Console log for more details. -203

การตอบกลับทั้งหมด (1)

the-edmeister
the-edmeister
  • Moderator
more options

See this KB article.
http://kb.mozillazine.org/Unable_to_install_themes_or_extensions_-_Firefox#Unexpected_installation_error_-203