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| 1 ## Adblock Plus will not install | 1 ## Problems installing | 
| 2 | 2 | 
| 3  Refer to the suggestions below if you are having trouble installing Adblock Plu
    s. If you still cannot install Adblock Plus after trying these suggestions, plea
    se contact <support@adblockplus.org>. | 3  Refer to the suggestions below if you are having trouble installing Adblock Plu
    s. | 
| 4 | 4 | 
| 5 ### Chrome | 5 ### Chrome | 
| 6 | 6 | 
| 7 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org) OR the [Chrome Web Store](https://chrome.google.com/webstore/detail/
    adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb). | 7 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org) OR the [Chrome Web Store](https://chrome.google.com/webstore/detail/
    adblock-plus/cfhdojbkjhnklbpkdaibdccddilifddb). | 
| 8 2. Ensure that your browser is on version 41 or higher. Follow the steps below t
    o check your browser version. | 8 2. Ensure that your browser is on version 41 or higher. Follow the steps below t
    o check your browser version. | 
| 9     1. Open Chrome. | 9     1. Open Chrome. | 
| 10     2. Click the **Chrome menu icon** and select **Settings**. | 10     2. Click the **Chrome menu icon** and select **Settings**. | 
| 11     3. Select **About** from the left menu. | 11     3. Select **About** from the left menu. | 
| 12     <br> The version is displayed below the Chrome icon. If your browser is out-
    of-date, Chrome will automatically start the update process. | 12     <br> The version is displayed below the Chrome icon. If your browser is out-
    of-date, Chrome will automatically start the update process. | 
| 13 3. If you are still experiencing issues, try [restoring Chrome settings to defau
    lt](https://support.google.com/chrome/answer/3296214). | 13 3. [Uninstall](https://support.google.com/chrome_webstore/answer/2664769?hl=en) 
    and reinstall Adblock Plus. | 
|  | 14 4. If you are still experiencing issues, try [restoring Chrome settings to defau
    lt](https://support.google.com/chrome/answer/3296214). | 
| 14 | 15 | 
| 15 ### Firefox | 16 ### Firefox | 
| 16 | 17 | 
| 17 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org) OR [Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/
    adblock-plus/?src=ss). | 18 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org) OR [Firefox Add-ons](https://addons.mozilla.org/en-US/firefox/addon/
    adblock-plus/?src=ss). | 
| 18 2. Ensure that your browser is on version 38 or higher. Follow the steps below t
    o check your browser version. | 19 2. Ensure that your browser is on version 38 or higher. Follow the steps below t
    o check your browser version. | 
| 19     1. Open Firefox. | 20     1. Open Firefox. | 
| 20     2. Click the **Firefox menu icon**. | 21     2. Click the **Firefox menu icon**. | 
| 21     3. Click the **Help icon**. | 22     3. Click the **Help icon**. | 
| 22     4. Select **About Firefox**. | 23     4. Select **About Firefox**. | 
| 23     <br> The *About Firefox* window opens. | 24     <br> The *About Firefox* window opens. | 
| 24     <br> The version is displayed next to the Firefox icon. If your browser is o
    ut-of-date, Chrome will automatically start the update process. | 25     <br> The version is displayed next to the Firefox icon. If your browser is o
    ut-of-date, Firefox will automatically start the update process. | 
| 25 3. Receiving a 'corrupt download' or 'conflict with other extensions' error? Ref
    er to this Mozilla article about the [inability to install add-ons](https://supp
    ort.mozilla.org/en-US/kb/unable-install-add-ons-extensions-or-themes?redirectloc
    ale=en-US&redirectslug=unable-install-add-ons-or-extensions). | 26 3. [Uninstall](https://support.mozilla.org/en-US/kb/disable-or-remove-add-ons#w_
    how-to-remove-extensions-and-themes) and reinstall Adblock Plus. | 
| 26 4. If you are still experiencing issues, try [refreshing Firefox](https://suppor
    t.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings). | 27 4. Receiving a 'corrupt download' or 'conflict with other extensions' error? Ref
    er to this Mozilla article about the [inability to install add-ons](https://supp
    ort.mozilla.org/en-US/kb/unable-install-add-ons-extensions-or-themes?redirectloc
    ale=en-US&redirectslug=unable-install-add-ons-or-extensions). | 
|  | 28 5. If you are still experiencing issues, try [refreshing Firefox](https://suppor
    t.mozilla.org/en-US/kb/refresh-firefox-reset-add-ons-and-settings). | 
| 27 | 29 | 
| 28 ### Internet Explorer | 30 ### Internet Explorer | 
| 29 | 31 | 
| 30 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 32 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 
| 31 2. Ensure that your browser is on version 8 or higher. Follow the steps below to
     check your browser version. | 33 2. Ensure that your browser is on version 8 or higher. Follow the steps below to
     check your browser version. | 
| 32     1. Open Internet Explorer. | 34     1. Open Internet Explorer. | 
| 33     2. Click the **Help icon**. | 35     2. Click the **Help icon**. | 
| 34     3. Select **About Internet Explorer**. | 36     3. Select **About Internet Explorer**. | 
| 35     <br> The *About Internet Explorer* window opens. | 37     <br> The *About Internet Explorer* window opens. | 
| 36     <br> The version is displayed below the Internet Explorer icon. | 38     <br> The version is displayed below the Internet Explorer icon. | 
| 37 3. [Uninstall](https://support.microsoft.com/en-us/search?query=uninstall%20a%20
    program) and reinstall Adblock Plus. | 39 3. [Uninstall](https://support.microsoft.com/en-us/help/17447/windows-internet-e
    xplorer-11-manage-add-ons)and reinstall Adblock Plus. | 
| 38 | 40 | 
| 39 ### Opera | 41 ### Opera | 
| 40 | 42 | 
| 41 1. Ensure that you downloaded the extension from [Opera Add-ons](https://addons.
    opera.com/en/extensions/details/opera-adblock/?display=en-US). | 43 1. Ensure that you downloaded the extension from [Opera Add-ons](https://addons.
    opera.com/en/extensions/details/opera-adblock/?display=en-US). | 
| 42 2. Ensure that your browser is on version 28 or higher. Follow the steps below t
    o check your browser version. | 44 2. Ensure that your browser is on version 28 or higher. Follow the steps below t
    o check your browser version. | 
| 43     1. Open Opera. | 45     1. Open Opera. | 
| 44     2. Click the **Opera icon**. | 46     2. Click the **Opera menu icon**. | 
| 45     3. Select **About Opera**. | 47     3. Select **About Opera**. | 
| 46     <br> If your browser is out-of-date, Opera will automatically start the upda
    te process. | 48     <br> If your browser is out-of-date, Opera will automatically start the upda
    te process. | 
|  | 49 3. [Uninstall](http://help.opera.com/Mac/11.60/en/extensions.html) and reinstall
     Adblock Plus. | 
| 47 | 50 | 
| 48 ### Safari | 51 ### Safari | 
| 49 | 52 | 
| 50 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 53 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 
| 51 2. Ensure that your browser is on version 6.0 or higher. Follow the steps below 
    to check your browser version. | 54 2. Ensure that your browser is on version 6.0 or higher. Follow the steps below 
    to check your browser version. | 
| 52     1. Open Safari. | 55     1. Open Safari. | 
| 53     2. Click **Safari**. | 56     2. Click **Safari**. | 
| 54     3. Select **About Safari**. | 57     3. Select **About Safari**. | 
| 55     <br> The *About Safari* window opens. | 58     <br> The *About Safari* window opens. | 
| 56     <br> The version is displayed below the Safari icon. | 59     <br> The version is displayed below the Safari icon. | 
|  | 60 3. [Uninstall](https://support.apple.com/en-us/HT203051) and reinstall Adblock P
    lus. | 
| 57 | 61 | 
| 58 ### Yandex.Browser | 62 ### Yandex.Browser | 
| 59 | 63 | 
| 60 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 64 1. Ensure that you downloaded the extension from [AdblockPlus.org](https://adblo
    ckplus.org). | 
| 61 2. Ensure that your browser is on version 16.6 or higher. Follow the steps below
     to check your browser version. | 65 2. Ensure that your browser is on version 16.6 or higher. Follow the steps below
     to check your browser version. | 
| 62     1. Open Yandex Browser. | 66     1. Open Yandex Browser. | 
| 63     2. Click the **Yandex.Browser menu icon**, hover over **Advanced** and selec
    t **About Yandex.Browser**. | 67     2. Click the **Yandex.Browser menu icon**, hover over **Advanced** and selec
    t **About Yandex.Browser**. | 
| 64     <br> The *About* tab opens. | 68     <br> The *About* tab opens. | 
| 65     <br> The version is displayed below the Yandex.Browser icon. | 69     <br> The version is displayed to the left of the Yandex.Browser icon. | 
|  | 70 3. [Uninstall](https://yandex.com/support/browser/feedback/del-extension.xml) an
    d reinstall Adblock Plus. | 
|  | 71 | 
|  | 72 If you still cannot install Adblock Plus after trying these suggestions, please 
    contact <support@adblockplus.org>. | 
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