Problematic extensions: Difference between revisions
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| Update to a newer version | | Update to a newer version | ||
| [http://forums.mozillazine.org/viewtopic.php?p=1732524] | | [http://forums.mozillazine.org/viewtopic.php?p=1732524] | ||
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|valign=top| <div id="Thinkpad_Passwordmgr"></div>Thinkvantage Password Manager | |||
| 2.0 | |||
| Firefox freezes for 5 seconds when new windows are opened. Note that this extension is installed by default on Lenovo Thinkpad laptops. | |||
| Disable the Thinkvantage Password Manager add-on | |||
| | |||
|- | |- | ||
|valign=top| <div id="Update_Notifier"></div>[https://addons.mozilla.org/firefox/2098/ Update Notifier] | |valign=top| <div id="Update_Notifier"></div>[https://addons.mozilla.org/firefox/2098/ Update Notifier] |
Revision as of 06:45, 2 November 2007
This article lists some of the extensions that are known to cause unwanted side effects in Firefox or in other extensions and plugins, along with recommended workarounds. There are hundreds of extensions, and not all problems are listed here. In addition, extensions can cause problems in combination with each other. If you do not find the problem listed below, follow the steps outlined in the Standard diagnostic - Firefox article.
Extensions
Extension | Versions affected | Problem | Workaround | References |
---|---|---|---|---|
A9 Toolbar | All | Causes Unresponsive Script Warning | Uninstall A9 Toolbar | [1] |
Adblock | All | Having the OBJ_TABS setting enabled has been known to interfere with the ActiveX plugin (if installed). It can cause the plugin to ignore its configuration and run any ActiveX control, instead of the controls it is restricted to. Such a situation could potentially be a big security risk. | If you have the ActiveX plugin, keep the Adblock OBJ_TABS setting disabled, or update to Firefox 1.5.0.7 or later versions, which include a fix. | [2] [3] |
Having the OBJ_TABS setting enabled will interfere with the Java plugin. Java applets will not display unless this setting is disabled. | If you want Java applets to display, keep the Adblock OBJ_TABS setting disabled. | [4][5] | ||
Having the OBJ_TABS setting enabled may interfere with the Flash Player 8.0 plugin. No Flash content will be displayed unless this setting is disabled. | If updating to Adblock 0.5.3.042 or later does not resolve the issue, keep the Adblock OBJ_TABS setting disabled. | [6] | ||
Having the OBJ_TABS setting enabled may interfere with the Windows Media Player plugin. Player video and controls will not appear on page, but sometimes audio will still play. | If updating to Adblock 0.5.3.042 or later does not resolve the issue, keep the Adblock OBJ_TABS setting disabled. | [7] | ||
Causes Google Gmail Chat to crash. | ? | [8] | ||
Adblock Plus | 0.7.5.2 | Windows error opening Internet shortcut or local HTML file - Firefox | Update to Adblock Plus version 0.7.5.3 or later | [9][10] |
All | Triggers a bug in Firefox 2.0 that causes some extensions and web sites to break, most prominently Google Notebook extension | Upgrade to Firefox 2.0.0.1 or later | [11] | |
All-In-One Gestures | All versions using Firefox 2? | May cause crashes. Also conflicts reported with spellchecker in Linux Mac OSX versions. | [13] | |
All-In-One Sidebar | 0.6.4 and prior | New extensions will not install. Also occurs in version 0.6.4 if updated from an earlier version or if used together with the SessionSaver extension. | Uninstall, then (re)install version 0.6.4. Disable opening the Extensions window in the sidebar (Misc. -> Extensions -> Open in Sidebar). | [15] |
Amazing Media Browser | 0.17 | The "Block all embedded objects" preference is set to "Yes" by default, causing embedded media normally handled by plugins to disappear, including Flash content. Also interferes with the IE Tab extension. | Change the "Block all embedded objects" preference setting to "No". | [17][18] |
Fasterfox | 1.0.x | Hangs or slows down Firefox | Disable prefetching, select "Optimized" preset instead of "Turbo". | [19] |
All | Changes made by extension can interfere with Web site access, and persist after extension is uninstalled. | Reset defaults or create a new profile. | [20] | |
Filterset.G Updater | Prior to 0.3.0.2 | Memory leak when used in conjunction with FlashGot | Update to version 0.3.0.2. | [21] |
Firebug | All versions? | Causes excessive CPU usage | Disable Firebug when not using it | [22] |
Firefox Google Toolbar | Prior to 0.2.1? | Interferes with spell checking in Firefox version 2. | Update to version 0.2.1. If that does not work, uninstall extension. | [23] |
FireFTP | All? | Can cause excessive CPU usage with Firefox 2.0.0.1 | Use Firefox 2.0 or Firefox 2.0.0.2 instead | [24] |
FlashBlock | All | NoScript blocks JavaScript, which is required by FlashBlock | Do not use both FlashBlock and NoScript together (NoScript includes Flash-blocking functionality) | [25] |
FlashGot | Prior to 0.5.9.995 | Memory leak when used in conjunction with Filterset.G Updater | Update to version 0.5.9.995. | [26] |
ForecastFox | version 0.9.x and all satellite images versions? | Memory leak | Update or uninstall and install Forecastfox l10n. There are unconfirmed reports that there are also memory problems with versions 0.9.3 and 0.9.4. | [27][28] [29] |
Prior to version 0.9.5.1 | Causes excessive CPU usage with Firefox 2.0 and Firefox 2.0.0.1 | Update to Firefox 2.0.0.2 and ForecastFox 0.9.5.1 | [30][31] | |
Google Browser Sync | All? | Causes excessive CPU usage with GIF animations | Uninstall | [32] |
Google Toolbar (official) | ? | "Send with GMail" option overrides default mail client. If the Google Toolbar is uninstalled, mail links may stop working in Firefox | If still installed, UNcheck "Send with GMail" in Google Toolbar Options. If uninstalled, go to about:config in Firefox, find the preference network.protocol-handler.external.mailto and reset to "true" (double-click will toggle). | [33] [34] |
1.0.* on windows 98, 2.0.20060404 beta and 2.0.20060515 beta | Causes Unresponsive Script Warning | The Google Toolbar is not compatible with Windows 95, 98, or ME. Fixed for supported OSs in latest version. | [35] | |
2.0.20060404 beta and 2.0.20060515 beta | Leaks memory | Install the latest version from toolbar.google.com | [36] | |
2.1.20060713 | Causes excessive disk activity | Disable Google Safe Browsing or install the latest version from toolbar.google.com | [37] | |
Google Web Accelerator | ? | Causes crash on closing Firefox | Uninstall Google Web Accelerator | [38] |
Greasemonkey | All | Greasemonkey scripts do not work on sites blocked by NoScript | Set NoScript to allow JavaScript on sites you wish to use Greasemonkey scripts on. | [39] |
Hebrew Calendar | Prior to 1.0.4.36 | Causes "ReferenceError: JEvent is not defined" | Update to a newer version | [40] |
IE Tab | All | Memory leak | Uninstall IE Tab and install IE View Lite | [41] |
iMacros | Prior to 0.5.0.4 | Causes 100% CPU usage | Update to a newer version | [42] |
ImgLikeOpera | 0.6.15 | "Refresh images in tab on tab select" option causes excessive CPU usage on tab change and erratic text box behaviour (i.e. losing caret after selection in google search text box). | Turn off "Refresh images in tab on tab select" option. | [43] |
Linky | 2.6 | Gray bar below the status bar with red arrow. | Uninstall Linky. | [44] |
McAfee SiteAdvisor | ? | "onLookupFailed 55 1" alerts. | Disable McAfee SiteAdvisor. | [45][46] [47] |
22 | Firefox may fail to open after installing or updating the SiteAdvisor extension, which also may be installed as part of a McAfee software suite. This SiteAdvisor support article describes the problem as a conflict between SiteAdvisor and automatic proxy configuration scripts in Firefox. | Either follow the workaround in the SiteAdvisor support article or end the firefox process that remains in memory, start Firefox in Safe Mode and uninstall via Tools -> Extensions. If SiteAdvisor is a McAfee suite component it can also be removed using the McAfee uninstaller. | [48] [49] | |
23 | Firefox may crash with an error in Jar50.dll after installing or updating the SiteAdvisor extension or McAfee component. | Uninstall the SiteAdvisor extension or, if SiteAdvisor is installed as part of a McAfee software suite, remove the SiteAdvisor component using the McAfee uninstaller. | [50] | |
Media Player Connectivity | All? | Can cause Unresponsive Script Warning | Uninstall Media Player Connectivity | [51][52] |
Mouseless Browsing | All? | Can cause excessive CPU usage | Uninstall Mouseless Browsing | [53] |
Nightly Tester Tools | All | Allows incompatible extensions and themes to run; these incompatible add-ons can cause problems | Update your extensions and themes to those compatible with your version of Firefox | [54] |
NoScript | All | Causes an illegal operation in the Windows Media Player plugin if it is blocking JavaScript on a page with embedded Windows Media | Do not block websites that have embedded Windows Media if you want to be able to play the media | [55] [56] |
FlashBlock requires JavaScript to work to block flash ads | Do not use both FlashBlock and NoScript together (NoScript includes Flash-blocking functionality) | [57] | ||
Greasemonkey scripts require JavaScript | Set NoScript to allow JavaScript on sites you wish to use Greasemonkey scripts on. | [58] | ||
All since 1.1.0 | Java is blocked by default on untrusted sites | Uncheck "Forbid Java" in NoScript's Advanced options or, in version 1.1.3 and later you can temporarily allow Java content by clicking on its placeholder. | [59] [60] | |
Prior to 1.1.3.9 | Causes Firefox to hog memory | Update to 1.1.3.9 or later | [61] | |
"Numbered Links" | All | FormSpy (aka FireSpy) malware identifies itself as "Numbered Links". The real Numbered Links extension is harmless. See this forum topic for more information. | Uninstall the extension. Scan your system for viruses, particularly "FormSpy" and "Downloader-AXM". | [62][63] |
onFocusReload | ? | "Alert! Object Event" message. | Uninstall onFocusReload. | [64] |
ProCon | Prior to 1.5.2 | Replaces all words on webpages with asterisks (******) if set to "censure" words. Fixed in version 1.5.2. | Uninstall ProCon, restart Firefox, reset ProCon preferences in about:config, restart Firefox, reinstall. | [65] |
SearchStatus | All? | Causes Firefox to frequently hang momentarily | Uninstall SearchStatus | [66] |
SessionSaver | All | Leaks memory | Uninstall SessionSaver and install Session Manager | [67] |
Version 0.2 | Causes Unresponsive Script Warning when uploading files | Downgrade to version 0.2d | [68] | |
Skype Web Toolbar | ? | Causes back, forward, reload and stop buttons or webpage content buttons to stop working; may also cause a blank address bar or unchanged URL when switching tabs or going to a new link. | Update to the latest version; if the problem persists, disable or uninstall the extension. | [69][70] [71][72] |
SwitchProxy Tool | All | Causes new Firefox windows to freeze for a few seconds | Disable SwitchProxy's auto-update feature | [73] |
Tabbrowser Extensions (TBE) | All | General slowdown, conflicts with other extensions, can cause Firefox to not work at all | Uninstall TBE, use Tab Mix or Tab Mix Plus instead | [74] |
Tabbrowser Preferences (TBP) | All (for Firefox in some languages) | Puts a bar at the bottom of the screen which reads:
<button id="catTabbedButton" label="&tabprefs.label;" |
Uninstall TBP | [75] |
1.2.8.4 | Puts a bar at the bottom of the screen which reads:
%tabprefsDTD; |
Uninstall TBP and install it directly from the author's website | [76] [77] | |
Prior to 1.2.8.2 | Pressing Ctrl+Enter in the address bar opens page in new tab instead of adding "www." and ".com" to the address | Update to a newer version | [78] | |
Pressing home button opens homepage in new tab | Update to a newer version | [79] | ||
Thinkvantage Password Manager | 2.0 | Firefox freezes for 5 seconds when new windows are opened. Note that this extension is installed by default on Lenovo Thinkpad laptops. | Disable the Thinkvantage Password Manager add-on | |
Update Notifier | ? | A prompt for a username and password from http://mozdev.elliptic.fr/ asking "Oui?" | Uninstall Update Notifier | [80][81] |
User Agent Switcher | Prior to 0.6.4 | Reinstallation or update causes hangs | Uninstall previous version in safe mode before installing new version | [82] |
VeryDelicious | All | Software update screen on opening windows and downloading fiiles. | Uninstall VeryDelicious | [83] |
Wizz RSS News Reader | 2.0.0 | Update causes Firefox to freeze | Uninstall previous version in safe mode then install the updated version. | [84] |
Yahoo! Toolbar | all? | Causes excessive CPU usage | Uninstall | [85] |