I've been using Multilingualizer for almost 3 years on my Shopify website, without any problems.  However today I tried to instal a free app (Free Shipping Bar by Hextom) and suddenly my pages stopped displaying properly.  The problem seems fairly random - one minute a page displays OK, then the next page I click on it shows both languages with all the dots etc at the same time.  I immediately uninstalled the Free Shipping Bar app, but the problem appears to be continuing.  I've tried removing and re-installing the Multilingualizer code, but it's still happening.  It may be unrelated to the Free Shipping Bar app, but seems a bit of a coincidence, as this has never happened before.  I don't know what to do to fix this.  Can you help?