All extensions pop up every time I sign in to Firefox account
I work on a university lab PC, which I need to sign in to and out of (including deleting all saved data and extensions) every day. I have Firefox sync enabled (including extensions, because I require them).
However every time I sign in, the message pages of all the synced extensions pop up as tabs, wasting around three minutes of my time (I've to wait for them to open first because if I try to type anything in my search engine, another tab opens, switching the cursor to this newly opened tab. Plus it is annoying to manually close around a dozen tabs).
How to disable such 'messages' from opening automatically upon the first sync?
May I suggest: http://portableapps.com/apps/internet/firefox_portable Mozilla Firefox, Portable Edition
https://portableapps.com/apps/internet/firefox-portable-esr Mozilla Firefox ESR, Portable Edition
A fully functional package of Firefox optimized for use on a USB key drive. A specialized launcher will allow most favorite extensions to work as you switch computers.
Firefox Portable is a 3rd-party build. Support is available here: http://portableapps.com/forums/support/firefox_portable
You can use sync to share data between profiles. But some data cannot be shared between different Firefox versions and computer systems.