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

I updated java to vers 7 45 but even after restart firefox doesn't recognize it, it says it's not installed. It appears installed in windows programs list

  • 1 reply
  • 51 have this problem
  • 1 view
  • Last reply by cor-el

more options

After installing the java update adn restarting the java update doesn't show in the add-ons list and for ex the formula1.com live timing doesn't start. It says the program is not installed. Happened to me the last update also, just don't remember what i did then to make it work. Thanx.

After installing the java update adn restarting the java update doesn't show in the add-ons list and for ex the formula1.com live timing doesn't start. It says the program is not installed. Happened to me the last update also, just don't remember what i did then to make it work. Thanx.

Chosen solution

Make sure that you have the 32 bit Java version installed.

It is possible that something went wrong with updating the registry key(s) that Firefox is using to find the Java plugin.

  • HKLM\Software\Wow6432Node\MozillaPlugins\@java.com/JavaPlugin,version=10.xx.xx
Read this answer in context 👍 3

All Replies (1)

more options

Chosen Solution

Make sure that you have the 32 bit Java version installed.

It is possible that something went wrong with updating the registry key(s) that Firefox is using to find the Java plugin.

  • HKLM\Software\Wow6432Node\MozillaPlugins\@java.com/JavaPlugin,version=10.xx.xx