We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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.

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

KESI extention wont OK.

more options

I am trying to use my Kurzweil to read online content, but the extention or add on for it (appears as a little puzzle icon) wont ok. I was able to before but it wont work now.

I am trying to use my Kurzweil to read online content, but the extention or add on for it (appears as a little puzzle icon) wont ok. I was able to before but it wont work now.

Chosen solution

See this Kurzweil Education Customer Support article. You need to remove the existing add-on and then install a new "signed" version of that addon, which is available at the bottom of this page. http://support.cambiumtech.com/index.php?pg=kb.page&id=1597

Read this answer in context 👍 1

All Replies (3)

more options

This will disable add-on signature enforcement; Enter about:config into your Firefox address bar Click the I'll be careful button Find xpinstall.signatures.required in the list Right click the preference Select Toggle until the value is false https://support.mozilla.org/en-US/kb/add-on-signing-in-firefox

https://wiki.mozilla.org/Firefox/AddOns/Status/Updates#Exec_Summary “Currently targeting Signing with no pref to turn off in Firefox 47”

more options

FredMcD said

This will disable add-on signature enforcement; Enter about:config into your Firefox address bar Click the I'll be careful button Find xpinstall.signatures.required in the list Right click the preference Select Toggle until the value is false https://support.mozilla.org/en-US/kb/add-on-signing-in-firefox https://wiki.mozilla.org/Firefox/AddOns/Status/Updates#Exec_Summary “Currently targeting Signing with no pref to turn off in Firefox 47”

Wont this put my firefox at risk? i don't want to permanently disable something important. i am not very tech savy.

Modified by KathyOttaway

more options

Chosen Solution

See this Kurzweil Education Customer Support article. You need to remove the existing add-on and then install a new "signed" version of that addon, which is available at the bottom of this page. http://support.cambiumtech.com/index.php?pg=kb.page&id=1597