Why does Firefox repeatedly blocks cookies after I enable them manually?

Firefox repeatedly changes the permissions of cookie for some sites to "Blocked" after I put it manually to "allow".

It is a recurring problem which was not fixed in the last several major releases.

Followed advise and have several times without success (even temporarily):

-Cleared cache.
-Delete all cookies.
-Deleted sqlite-cookie files.

The problem, sometimes makes Firefox unusable on some sites that require or use a login. Here are a couple:

http://www.imeasure.org.UK/ (almost every time)
http://www.theguardian.com/UK (on an irregular, but regularly).
http://bakerybits.co.UK/

Been using FF since about v3, but had to settle and use Midori a number of times that I could not use a site, or to make online purchases in some cases. My preference is to continue to use Firefox, but have been customizing Midori, I need to use it on a regular basis when Firefox cookies automatically returns to blocked.

'S probably done it by one of the installed extensions that address privacy and cookies.

Start Firefox in Safe Mode to check if one of the extensions (Firefox/tools > Modules > Extensions) or if hardware acceleration is the cause of the problem.

  • Put yourself in the DEFAULT theme: Firefox/tools > Modules > appearance
  • Do NOT click on the reset button on the startup window Mode safe

Tags: Firefox

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