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What should I do if the Firefox browser fails to install the plug-in and prompts that this add-on cannot be installed?

王林
Release： 2024-08-29 14:37:42
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What should I do if Firefox fails to install the plug-in and prompts that this add-on cannot be installed? Recently, a user asked this question. Firefox is a browser software that many users like very much. When installing the plug-in, it prompts that the installation failed. Why can't this add-on be installed? In response to this problem, this article brings a detailed solution to share with everyone. What should I do if the Firefox browser fails to install the plug-in and prompts that this add-on cannot be installed? 1. Open the software, enter about:config in the address bar above and press the Enter key.

火狐浏览器安装插件失败提示此附加组件无法安装怎么办

2. After entering the new interface, click the Accept Risk and Continue button.

火狐浏览器安装插件失败提示此附加组件无法安装怎么办

3. After entering the advanced preferences interface, enter xpinstall.signatures.required in the search box above and press Enter to search.

火狐浏览器安装插件失败提示此附加组件无法安装怎么办

4. Finally, in the search results below, click the switch button on the right and change its value to true.

火狐浏览器安装插件失败提示此附加组件无法安装怎么办

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source：xpwin7.com
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