Download Error 228 On Mozilla

install add-ons (extensions ... Firefox Editing Tools Article Discussion Edit Article Translate Article Show Translations What Links Here Show History Customize this article Firefox Version 51 Version 50 Version 49 Version 48 Version 47 Version 46 the add-on downloaded from this site could not be installed because it appears to be corrupt Version 45 Version 44 Version 43 Version 42 Version 41 Version 40 Version 39 Version the add-on downloaded from could not be installed because it appears to be corrupt 38 Windows 8 Windows 7/Vista Windows XP Mac Linux Windows 10 Explore more topics Basic browsing Install and update Sync and save Chat and the addon downloaded from this site appears to be corrupt share Do more with apps Protect your privacy Manage preferences and add-ons Fix slowness, crashing, error messages and other problems Was this article helpful? Unable to install add-ons (extensions or themes) An inability to install an extension can

Firefox Prevented This Site From Asking You To Install Software On Your Computer

be the result of problems with the extension, Firefox preferences, or the version of Firefox you are using. This article describes various causes of install problems and what you can do to address them. Table of Contents1 Add-on is not compatible2 Firefox has prevented this site from installing an unverified add-on3 Add-on has a high risk of causing stability or security problems and can't be installed4 Firefox prevented the site from asking you to install software5 You unverified addon firefox are asked to download the add-on, rather than installing it6 Download Error -2286.1 Disabled cache6.2 Other software7 Nothing happens when you click the install link8 Corrupt extension files9 Conflict with other extensions Add-on is not compatible An internal file in each add-on indicates the range of Firefox versions with which the extension is compatible. In the Firefox Add-ons area of Mozilla, you can review version compatibility information on the page for each available extension. If your installed version of Firefox does not fit within that range, installing the add-on results in an error, indicating that the add-on is not compatible. If your version of Firefox is incompatible with the add-on, you can: Update to the latest version of Firefox. For more information, see Update Firefox to the latest version. Find a version of the add-on that is compatible with your version of Firefox. The Firefox Add-ons website usually has the most up to date version of each add-on. Use a different extension. For many extensions, there are similar extensions that provide the same functionality. For more information, see Firefox Add-ons. Firefox has prevented this site from installing an unverified add-on Newer versions of Firefox protect you against malware and browser hijackers by blocking third-party add-ons that are not digitally signed and verified by Mozilla. For more information, see Add-on signing in Firefox. Add-on has a high risk of causing stabilit

Thunderbird and Sunbird. You may not be able to install or update Firefox themes or extensions for a number of reasons, including: Contents 1 Not compatible 2 Incorrect user agent 3 Software installation disabled 3.1 firefox has prevented this site from installing an unverified add-on Enabling software installs 3.2 Allowing the site to install 4 Unsecured updating 5 Downloaded theme

This Addon Could Not Be Installed Because It Appears To Be Corrupt

or extension will not install 6 Download Error -228 7 Invalid file hash 8 Corrupt extension files 9 Unexpected installation error -203

Could Not Be Verified For Use In Firefox And Has Been Disabled

10 JavaScript disabled 11 Conflicts with other extensions 11.1 All-In-One Sidebar extension 12 Conflict with Windows High Contrast - Accessibility options 13 See also [edit]Not compatible Extensions and themes are designed to work with certain Firefox https://support.mozilla.org/en-US/kb/unable-install-add-ons-extensions-or-themes versions. Attempts to install incompatible extensions will result in an error alert saying, " could not be installed because it is not compatible with Firefox . ( will only work with Firefox )". Advanced users can disable extension compatibility checking in Firefox 2 and above by adding the boolean preference extensions.checkCompatibility and setting it to false. Use with caution. [1] Extensions that have been installed by turning off compatibility testing http://kb.mozillazine.org/Unable_to_install_themes_or_extensions_-_Firefox with extensions.checkCompatibility set to false are clearly marked in the Add-On listing with a white exclamation point on a red background overlaying the lower left corner of the icon associated with the add-on. [edit]Incorrect user agent Your browser user agent may be incorrect, causing the add-ons site to report that the extension is for an older version of Firefox or that you must upgrade Firefox to use the add-on. [2]. If you are using an add-on such as User Agent Switcher, restore the default user agent (or restart Firefox). Otherwise, open about:config and enter general.useragent in the filter box. If any of the general.useragent preferences are shown as user set (they will be in bold type), open the context (right-click) menu and select "Reset" to restore the default setting. Note that some extensions, including MegaUpload Toolbar and Microsoft .NET Framework Assistant, add an extra user agent string. [3] [4] [edit] Software installation disabled Websites are only allowed to prompt you to install an extension or theme if you have the functionality enabled and if you have allowed that specific site to do it. [edit]Enabling software installs Some users may have disabled the software installation option based on security issues which have since been resolved [5]. To re-enable: Firefox 2: The yellow message bar says, "Software

Importance Assigned to Milestone firefox (Ubuntu) Edit Confirmed Undecided Grey Farmer Edit You need to log in to change this https://bugs.launchpad.net/bugs/573404 bug's status. Affecting: firefox (Ubuntu) Filed here by: jeem When: 2010-05-02 Confirmed: 2010-12-13 Assigned: 2010-12-13 Target Distribution Baltix BOSS Juju Charms Collection Elbuntu Guadalinex Guadalinex Edu Kiwi Linux nUbuntu PLD Linux Tilix tuXlab Ubuntu Ubuntu Linaro Evaluation Build Ubuntu RTM Package (Find…) Project (Find…) Status Importance Confirmed Undecided Assigned to Me Grey Farmer (grey-farmer) Comment this site on this change (optional) Email me about changes to this bug report Also affects project (?) Also affects distribution/package Nominate for series Bug Description Binary package hint: firefox After clicking the window pops up, waits about 20 seconds, then ends with error -228 'download error' ProblemType: Bug DistroRelease: Ubuntu 10.04 Package: firefox 3.6.3+nobinonly-0ubuntu4 ProcVersionSignature: Ubuntu could not be 2.6.32-21.32-generic 2.6.32.11+drm33.2 Uname: Linux 2.6.32-21-generic x86_64 NonfreeKernelModules: nvidia Architecture: amd64 Date: Sat May 1 18:11:17 2010 FirefoxPackages: firefox 3.6.3+nobinonly-0ubuntu4 firefox-gnome-support 3.6.3+nobinonly-0ubuntu4 firefox-branding 3.6.3+nobinonly-0ubuntu4 abroswer N/A abrowser-branding N/A InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429) ProcEnviron: LANG=en_US.utf8 SHELL=/bin/bash SourcePackage: firefox Tags: amd64 apport-bug lucid Edit Tag help jeem (jguice-qwest) wrote on 2010-05-02: #1 Dependencies.txt Edit (3.1 KiB, text/plain; charset="utf-8") ExtensionSummary.txt Edit (437 bytes, text/plain; charset="utf-8") profile_default_pluginreg.dat.txt Edit (2.8 KiB, text/plain; charset="utf-8") profiles.ini.txt Edit (94 bytes, text/plain; charset="utf-8") rdmessin (rdmessin) wrote on 2010-05-02: #2 Same problem on my laptop (Ubuntu 10.04 on amd64). Hint: The "standard" problem resolution, delete extension.rdf + extension.cache in profile, does NOT work. rayden72 (antoniobaruffa) wrote on 2010-05-05: #3 Firefox non può installare il file in https://addons.mozilla.org/it/firefox/downloads/latest/4490/addon-4490-latest.xpi?src=search poiché: Errore download -228 su laptop intel core duo 4gb ram nvidia 8800gs stessa cosa non permette l'aggiornamento ne l'installazione di nuove estensioni da sempre e soltanto errore -228 grazie a chi sapra darmi una mano Antonio. Draycen DeCator (ddecator) wrote on 2010-05-06: