Firefox sync doesnt work

Today i have exposed Firefox to learn it's been reset to it is standard configurations. That is a PC we make use of at work that recently had a concern with malware and adware and I needed to remove a few Add-Ons alongside unwanted settings they left (nevertheless very first reset occured instantly).

That being solved, I try to get on Firefox Sync being restore my past settings, bookmarks, etc. The good news is, when I make an effort to access about:accounts it is simply a blank web page. The blue spinning-wheel appears plus it gets trapped indeed there. In addition attach a screenshot of Firefox's welcome display screen after another refresh I attempted to see if it solved the problem, that also reveals the same running icon.

I have already attempted making use of Safe Mode without success. I've additionally performed the full scan of my Computer and no other viruses had been found.

Many thanks in advance regarding assistance.

Today I've exposed Firefox to learn it has been reset to it is default options. This really is a PC we utilize at the job that recently had a concern with malware and adware and I must remove a number of Add-Ons alongside undesired settings they left (nevertheless the first reset occured immediately). That being solved, I try to log on to Firefox Sync in order to restore my earlier settings, bookmarks, etc. Nevertheless now, whenever I you will need to access about:accounts it is simply a blank web page. The blue spinning wheel seems therefore gets caught here. In addition connect a screenshot of Firefox's welcome display after an extra refresh We experimented with see if that solved the difficulty, which also shows equivalent loading icon. I have already attempted using secured Mode without success. I also performed a full scan of my PC and no other viruses had been discovered. Many thanks beforehand for help.

Connected screenshots

Preferred solution

Boot the computer in Microsoft windows secure mode with system support to see if it has effect in case safety software is causing dilemmas.

You can examine the log in the internet system for mistake communications as well as the Network Monitor (Firefox/Tools > internet Developer) to see if content fails to weight or is perhaps obstructed.

Utilize Ctrl+F5 or Ctrl+Shift+R to reload the page and bypass the cache to create a fresh log.