How to fix Couldn't load XPCOM Error in Mozilla firefox

2022年1月19日 — If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory. http ...

You may have to disable security software temporarily in case the problem persists. https://www.mozilla.org/en-US/firefox/ ...

2018年8月12日 — This issue would normally be fixed with a clean reinstall that involved deleting the Firefox program folder. (64-bit Firefox) C:-Program ...

2023年7月7日 — Solution 1: Run Your Firefox As Administrator; Solution 2: Start Firefox In Safe Mode and Disable Extensions; Solution 3: Reset Your Firefox ...

2020年2月5日 — 由于缺少Firefox更新失败，通常会出现有关XPCOM丢失或有关平台版本的错误消息，从而使您在Firefox程序文件夹中混合了旧文件和更新文件。如果安全软件保留 ...

2022年2月11日 — An error message about XPCOM missing or about platform version usually happens because of a failed Firefox update that left you with a ...