![Firefox Translations add-on causes one Firefox process to use 100% at CPU, network connections broken · Issue #336 · mozilla/firefox-translations · GitHub Firefox Translations add-on causes one Firefox process to use 100% at CPU, network connections broken · Issue #336 · mozilla/firefox-translations · GitHub](https://user-images.githubusercontent.com/973388/169584168-36eb1aa7-b6cf-463a-9868-f95362acac15.png)
Firefox Translations add-on causes one Firefox process to use 100% at CPU, network connections broken · Issue #336 · mozilla/firefox-translations · GitHub
![Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU. Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU.](https://preview.redd.it/why-does-firefox-consume-a-lot-of-cpu-even-when-closed-i-v0-ouf98z84jlfa1.png?auto=webp&s=b47fdcb20838295963e961c5f7d6e9f4065a5f7c)
Why does Firefox consume a lot of CPU even when closed? I thought an update was in progress, so I let it run for an hour, but it still used 50% CPU.
![Performance & Conclusion : Internet browser shootout: Chrome vs. Firefox vs. Opera vs. Safari vs. Vivaldi - HardwareZone.com.sg Performance & Conclusion : Internet browser shootout: Chrome vs. Firefox vs. Opera vs. Safari vs. Vivaldi - HardwareZone.com.sg](https://assets.hardwarezone.com/img/2019/06/cpu-graph.png)