Start Firefox in Safe Mode
While you are in safe mode;
Firefox Options > Advanced > General.
Look for and turn off Use Hardware Acceleration.

It is best not to downgrade to Firefox 28. Once security issues are fixed and publicised the unsupported version is at an increased risk of attacks that could damage your System or Personal data.

• If you wish to however and recognise the risk then see
  Install an older version of Firefox

Possibly part of the testing problem is that not enough people decide to trial the test versions, and so with Firefox's flexibility and customisations some bugs are inevitable.

The sync issue is a known bug that was overlooked. Sync has been problematic and unreliable for a while IMHO and a new version is introduced with Firefox 29. The two versions can not be used together.

• Bug 1001686 - Add more informative messaging when a Legacy Sync user opens about:accounts page (currently it's blank)
  • You need to follow these instructions How to update to the new Firefox Sync
• Firefox will for some reason not sync passwords if you use a master password set Why can't I sync my passwords?

I did notice a comment about Norton software (possibly not up to date ) causing issues with Firefox close down, but that is by no means confirmed. You should always try to close down Firefox using the Firefox menu option

• In Fx 29 New button then new close button (Tooltip Quit Firefox)

We can probably provide further troubleshooting assistance if you are staying with Firefox 29.

Thanks for the suggestions. I will again, give it a try! I don't particularly like the look and feel of it either but that is personal so I didn't list that! The sync feature is definitely a problem. I need that because I can't possibly remember every combination, contourtion and diversion of my passwords and sync is important! Regards,

Post back when you have tried the new sync. Hopefully you will not have any problems with it.

hi, thanks again for the ideas... I do have a problem with the new sync and its more philosophical then practical - now that i've read the info, why do i want to give the "keys" to all of my cars, with my address tagged to them??? i realise this info was previously "in the cloud" as well, but it didn't have an exact name posted to it as well or am I so naive that what worries me has always been? i am a bit older (57), but not too old and absolutely not a luddite about changes, but I do like the idea that what is mine, stays mine and i have some control over who and what gets to abuse it. I still like to own the physical information; e.g. CD, Blu-Ray/DVD, ROMs, books (forbid). I also realise the problem isn't the information source, its the machinery used to retrieve the info. My parents had 78's, I had Mono/Stereo LP's, Betamax/VCR, CD's and now iTunes et al... Am I being unrealistic about privacy?

Privacy is important and the information is (I believe) encrypted end to end.

I think we may have a hole in our documentation.

The difference now is that under the old system the info was on a server but was not to be relied on the intention was that the other devices were to be the backup.

• Old article on the old sync
  Firefox Sync data is secure - Find out more
  • details http://docs.services.mozilla.com/sync/overview.html
• Privacy policy http://www.mozilla.org/en-US/privacy/
  • http://www.mozilla.org/en-US/privacy/firefox-cloud/#
• This mentions the encryption https://wiki.mozilla.org/Identity/Firefox-Accounts#Why_does_Firefox_Accounts_require_me_to_choose_a_password.3F

Now you can rely on the information on the server.

I am not certain about this part but I think it also probably improves reliability and effectiveness because everything is backed up on the server and not changed part by part and getting out of sync causing duplicated bookmarks etc.

I have not found any simple to find current public documentation designed to reassure Sync end users that the data is encrypted end to end. If no one else jumps in with an answer I will investigate further if you remind me.

Edit, Thread on similar subject

• are bookmarks encrypted? /questions/993302

I truly do appreciate your time, effort and explanations! I am slightly paranoid, but I have been hacked before and have many friends and family who have had serious problems with financials as well as personal info. I do believe all companies do have the best intentions but we all know what can happen with the best intentions. Also I don't usually commit all of my devices to a new "op system" immediately but apparently for all of my computers and phones to work properly I have to make the giant leap of faith now (I’ve been a Firefox aficionado for ever and don’t expect them to not get it right – eventually!) in order to make everything work together??? Well, here we go. I’m jumping. I hope my parachute works properly!