Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Resolto Arquivado

msg: firefox running out of disk space. But miles of space available

cor-el replied
abrogard

my browser is showing a yellow bar message 'firefox is running out of disk space...'

But there's plenty of disk space.

win10. All up to date.

my browser is showing a yellow bar message 'firefox is running out of disk space...' But there's plenty of disk space. win10. All up to date.
Capturas de pantalla anexas

All Replies (2)

Chosen Solution

So after a bit of searching...

I think that message indicates that Firefox is nearing its self-imposed storage quota for website data (or maybe website and add-on data), which I think is calculated based on total disk space. If storage continues to grow, you'll get a different message about erasing data stored in Firefox itself, so you could just wait for that.

I don't know how to expand the quota to avoid the message. Maybe someone else is more familiar with adjusting the storage quota manager.

I don't think that it is a good idea to extend this storage quota.

See "space-alert-under-5gb-message"

QuotaManager::StoragePressure

Where do you end up if you click 'Learn more' ?