The plugin check says that i have no plugins installed in mozilla when i have over 10 plugins installed

UNCONFIRMED
Unassigned

Status

Plugin Check
UI
UNCONFIRMED
3 years ago
5 months ago

People

(Reporter: kanishk_s_r, Unassigned)

Tracking

Details

(URL)

Attachments

(2 attachments)

(Reporter)

Description

3 years ago
User Agent: Mozilla/5.0 (Windows NT 10.0; rv:42.0) Gecko/20100101 Firefox/42.0
Build ID: 20150911004112

Steps to reproduce:

Addons manager=> plugins=> Check to see if plugins are up to date


Actual results:

Plugin Status

No plugins were found. If you believe this is an error, please file a bug and let us know.

Back to Top


Expected results:

Mozilla plugin check should have shown the plugins which were up to date and the ones out of date.
(Reporter)

Updated

3 years ago
OS: Unspecified → Windows 10
Hardware: Unspecified → x86
Please open the page about:plugins and copy the list of plugins you see there into this bug. Or actually it's quite a lot of data for a comment, please save the page as a local file ("Save" is on the File menu) and then upload it to this bug as an attachment (there is an "Add an attachment" link just above the first comment).
Group: core-security
Flags: needinfo?(kanishk_s_r)
(Reporter)

Updated

3 years ago
Flags: needinfo?(kanishk_s_r)

Comment 2

3 years ago
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0 ID:20150819080340 CSet: Undefined

Steps to reproduce:

Addons manager=> plugins=> Check to see if plugins are up to date


Actual results:

Plugin Status

No plugins were found. If you believe this is an error, please file a bug and let us know.

Back to Top


Expected results:

Mozilla plugin check should have shown the plugins which were up to date and the ones out of date.
Hey Henry and kanishk_s_r@ymail.com - Can you please provide us with the list of plugins you do have installed? Go to about:plugins and you will see the list there. Just the names will be fine. Thanks!

Comment 4

3 years ago
(In reply to Schalk Neethling [:espressive] from comment #3)
> Hey Henry and kanishk_s_r@ymail.com - Can you please provide us with the
> list of plugins you do have installed? Go to about:plugins and you will see
> the list there. Just the names will be fine. Thanks!

Here is a list of installed plugins:
OpenH264 Video Codec provided by Cisco Systems, Inc.
VLC Multimedia Plugin (compatible Videos 3.10.1)
QuickTime Plug-in 7.6.6
Windows Media Player Plug-in 10 (compatible; Videos)
DivX® Web Player
iTunes Application Detector
Shockwave Flash
Java(TM) Plug-in 11.60.2

How I solved the issue:
Went to /usr/lib/mozilla/plugins
and deleted all "flash" related plugins, then went to adobe.com and downloaded install_flash_player_11_linux.x86_64.tar.gz
then extracted the file libflashplayer.so, into the plugins directory.
That installed last flash updated, while restarted the plugins functionality.

Rgds,
Henry.
Henry, so this works now for you? That is great news!

Comment 6

3 years ago
(In reply to Schalk Neethling [:espressive] from comment #5)
> Henry, so this works now for you? That is great news!

Yes, it works for me now! I guess the error was caused by outdated or corrupt plugings, as the instalation of flash plugins do not remove outdated versions.

Rgds.
kanishk_s_r@ymail.com does the above solve the problem for you as well?
Flags: needinfo?(kanishk_s_r)

Comment 8

3 years ago
(In reply to Henry from comment #6)
> (In reply to Schalk Neethling [:espressive] from comment #5)
> > Henry, so this works now for you? That is great news!
> 
> Yes, it works for me now! I guess the error was caused by outdated or
> corrupt plugings, as the instalation of flash plugins do not remove outdated
> versions.
> 
> Rgds.

With great sadness, I have to report that I am back to zero square.
 The issue came back. I decided not to tamper with the plugin files, so I just restarted Firefox and the plugins came back.
Then I closed the tab (plugins check tab: https://www.mozilla.org/en-US/plugincheck/?utm_source=firefox-browser&utm_medium=firefox-browser&utm_campaign=plugincheck-update) and to my surprise, the plugins were no there.
I have similar issue.  Shockwave plugin out of date -> update now.  Goes to page https://blocklist.addons.mozilla.org/en-US/firefox/blocked/p1048.

That page gives link to plugin check page http://www.mozilla.com/plugincheck/.

Plugin check page reports no plugins found and to file a bug report if wrong.

about:plugins shows the three plugins I have installed:

OpenH264 Video Codec provided by Cisco Systems, Inc.
Primetime Content Decryption Module provided by Adobe Systems, Incorporated
Shockwave Flash

Comment 10

2 years ago
This happens to me too. I ran Aurora for the first time in a while and updated to latest Developer Edition 44.0a2 (on Windows Vista 32-bit SP2). about:addons > plugins, it detects I have an old blocked Flash. I guessed at the update URL adobe.com/go/getflashplayer and while Flash was downloading I tried to check my other plugins, but plugin check says "No plugins found"

about:plugins and about:addons say
Installed plugins
Find updates for installed plugins at mozilla.com/plugincheck

OpenH264 Video Codec provided by Cisco Systems, Inc.
    Version: 1.4
Primetime Content Decryption Module provided by Adobe Systems, Incorporated
    Version: 15
Adobe Acrobat
    Version: 10.1.13.16
VLC Web Plugin
    Version: 2.2.1.0
Windows Presentation Foundation
    Version: 3.5.30729.1
Shockwave Flash
    Version: 17.0.0.134
    State: Enabled (STATE_VULNERABLE_UPDATE_AVAILABLE

However, after I installed latest Flashplayer Version: 19.0.0.226, and restarted, plugin check still says "No plugins were found". So this step similar to comment 4 didn't work for me. I don't know if I have electrolysis/e10s enabled.

Comment 11

2 years ago
Still unconfirmed? Just updated to 44.0
Dunno where the attach is, so here http://pastebin.com/e5WFK7D9

Comment 12

2 years ago
Plugin Health Check reports zero plugins.
However, upon a manual human check, Firefox shows 2 Plugins:
1) OpenH264 Video Codec provided by Cisco Systems, Inc. (1.5.3)

2) Primetime Content Decryption Module provided by Adobe Systems, Incorporated (16)

My Firefox installation is Details:
Version: 44.0.2
Build: 20160210153822
User Agent:  	Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:44.0) Gecko/20100101 Firefox/44.0

Comment 13

2 years ago
(In reply to nx@nytrex.com from comment #12)
> Plugin Health Check reports zero plugins.
> However, upon a manual human check, Firefox shows 2 Plugins:
> 1) OpenH264 Video Codec provided by Cisco Systems, Inc. (1.5.3)
> 
> 2) Primetime Content Decryption Module provided by Adobe Systems,
> Incorporated (16)

Those two plugins are not detected by the PluginCheck site because they do not have any MIME Types associated with them.

I have a test page to show which plugins are exposed to websites using two different methods (PluginCheck uses the second method):

https://www.jeffersonscher.com/res/plugins.html

Comment 14

2 years ago
Created attachment 8761068 [details]
FF 47 -- three active plugins installed.png

Comment 15

2 years ago
Created attachment 8761069 [details]
FF 47 -- Plugin Check finds no plugins.png

(In reply to jscher2000 from comment #13)
> (In reply to nx@nytrex.com from comment #12)
> > Plugin Health Check reports zero plugins.
> > However, upon a manual human check, Firefox shows 2 Plugins:
> > 1) OpenH264 Video Codec provided by Cisco Systems, Inc. (1.5.3)
> > 
> > 2) Primetime Content Decryption Module provided by Adobe Systems,
> > Incorporated (16)
> 
> Those two plugins are not detected by the PluginCheck site because they do
> not have any MIME Types associated with them.
> 
> I have a test page to show which plugins are exposed to websites using two
> different methods (PluginCheck uses the second method):
> 
> https://www.jeffersonscher.com/res/plugins.html

It looks like I also have three plugins without MIME, and even your test page with those two methods shows no plugins, let alone Plugin Check that shows nothing.

Can Mozilla engineers at least update Plugin Check page to include a disclaimer that only certain plugins will can be detected?

Updated

2 years ago

Updated

2 years ago
Duplicate of this bug: 1222898
(In reply to User Dderss from comment #15)
> It looks like I also have three plugins without MIME, and even your test
> page with those two methods shows no plugins, let alone Plugin Check that
> shows nothing.

Those three plugins are GMP (not NPAPI) that web pages such as plugin check can't detect.

> Can Mozilla engineers at least update Plugin Check page to include a
> disclaimer that only certain plugins will can be detected?

That said, completely agree.
Clearing needinfo
Flags: needinfo?(kanishk_s_r)
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