In the past we have generally seen this to be a result of adware on user's computers. Typically it has been installed with another program, and periodically sets your search engine in Firefox to something else. If it is happening in Firefox, it is al...
In Settings, under Search, you could try unchecking the option for "Show search suggestions ahead of browsing history in address bar results". That would put the browser suggestions first.
These preferences are nothing to do with the actual setting of the search engine.The placeholder preferences are as a cache to avoid delaying startup waiting for things to initialise.The hiddenOneOffs preference is no longer a preference, it has been...
In the past we have generally seen this to be a result of adware on user's computers. Typically it has been installed with another program, and periodically sets your search engine in Firefox to something else.Maybe use something like Malwarebytes to...
You can already move multiple bookmarks if you use the Bookmark Manager, rather than the Bookmarks sidebar, toolbar or the menus.The other locations are designed for a single selection, so the bookmarks manager is the preferred place to handle multip...