I am not able to upload favicon to website, kindly help please

MY HYPERLINKS WORK FINE MINUTES AFTER I MAKE THEM BUT DON'T WHEN I COME BACK IN MORE THAN A FEW HOURS, THEY WORK IN THE NICE PAGE QUICK PREVIEW SECTION BUT NOT IN THE WEB BROWSER SECTION

Hi, I úse Themler to create the template and then post using Nicepage. Themler's templates cannot be updated and I am wondering if someone on this end knows what is going on. Have they stopped giving...