# \[Support\] uBlock Origin

**URL:** <https://discourse.mozilla.org/t/support-ublock-origin/6746>\
**Category:** Add-on Support\
**Created:** [January 26, 2016, 8:07pm UTC](https://discourse.mozilla.org/t/support-ublock-origin/6746 "2016-01-26T20:07:49Z")\
**Posts on this page:** 1\
**Showing post:** 734

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**Author:** ![grahamperrin](https://sea1.discourse-cdn.com/flex001/user_avatar/discourse.mozilla.org/grahamperrin/32/17266_2.png) [@grahamperrin](https://discourse.mozilla.org/u/grahamperrin)\
**Post date:** [June 30, 2018, 6:55am UTC](https://discourse.mozilla.org/t/support-ublock-origin/6746/734 "2018-06-30T06:55:59Z")

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[Firefox WebExtensions · gorhill/uBlock Wiki · GitHub](https://github.com/gorhill/uBlock/wiki/Firefox-WebExtensions#read-carefully-if-using-ubowebext) might benefit from some updates.

The bug linked from the first bullet point is a duplicate of Mozilla bug [1396395 - Firefox crashes when submitting form](https://bugzilla.mozilla.org/show_bug.cgi?id=1396395)

> RESOLVED FIXED in Firefox 58

– and the fix (for **single-process mode compatibility** with AdNauseam, Findx Privacy Control, Ghostery, HTTPS Everywhere, Nano Adblocker, Privacy Badger and uBlock Origin) should be in the next release of Waterfox, probably 56.2.2.

The bug linked from the second bullet point is a duplicate of Mozilla bug [1379148 - document.write does not synchronously modify a document if an extension has content scripts at document\_start](https://bugzilla.mozilla.org/show_bug.cgi?id=1379148)

> VERIFIED FIXED in Firefox 57

## uBO’s cache storage

> … wiped-out …

If it’s IndexedDB, see:

- Mozilla bug [944918 - indexedDB broken - UnknownError - Error opening Database](https://bugzilla.mozilla.org/show_bug.cgi?id=944918)

In particular:

- [comment 34](https://bugzilla.mozilla.org/show_bug.cgi?id=944918#c34) demonstrating that in some cases, deletion of _a type of hidden file_ should suffice (contrast with suggestions, elsewhere, that it’s necessary to abandon an _entire profile_)
- [comment 39](https://bugzilla.mozilla.org/show_bug.cgi?id=944918#c39) proposing a mitigation.

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_[View the full topic](https://discourse.mozilla.org/t/support-ublock-origin/6746)._