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Step-by-step guide

1.Click on Bookmarks, found on right side of your browser

2. Click on 'Show all bookmarks', the last option on the menu or use Ctrl + shift + O

3.Click on ‘Import and restore’ and select the date and this should restore your bookmarks.

4. But if this gives an error “Cannot process the bookmarks" then go to your profile using the instructions below on your local terminal

** Please note you will lose your browser history as the store file will be changed **

cd ~/.mozilla/firefox
ls -l

drwx------ 15 cosd cos  4096 Jan 28 15:49 6riqoa5d.Room 80-1526463020896
drwx------ 18 cosd cos 12288 Dec 13 14:22 73gfnoyw.New
drwx------  5 cosd cos  4096 Jan 18 14:00 Crash Reports
drwx------  2 cosd cos  4096 Mar 26  2018 Pending Pings
drwx------ 11 cosd cos  4096 Dec 13 14:22 bttl2p8i.Default User
-rw-r-----  1 cosd cos    27 Apr 27  2016 profiles
-rw-r-----  1 cosd cos   249 Dec 13 14:22

This will display your Firefox profiles, you want to open the most recently used profile, so in this case folder: "6riqoa5d.Room 80-1526463020896"

cd 6riqoa5d.Room\ 80-1526463020896/

# (\ is required if there is a space in the folder name)

ls -la | grep places
-rw-r-----  1 cosd cos 26214400 Jan 28 16:19 places.sqlite
-rw-r-----  1 cosd cos    32768 Jan  7 16:30 places.sqlite-shm
-rw-r-----  1 cosd cos  4096000 Jan 28 16:22 places.sqlite-wal

# move all places files to have extension .old
# some profile will only have 1 or 2 places files

mv places.sqlite places.sqlite.old
mv places.sqlite-shm places.sqlite-shm.old
mv places.sqlite-wal places.sqlite-wal.old

#next refresh preferences

mv prefs.js prefs.js.old

6. Now try again to recreate the bookmarks using the steps 1, 2 and 3 and your bookmarks should be restored this time.

7. If there is a problem with your certificate please refer to this guide: (contact servicedesk link tbc)