Had lots of problems with Premiere Elements 12/12.1 and Sign In after an uninstall reinstall.
See if any of what worked for me works for you also.
We will be watching for your results.
Add On...did everyone so far go through looking at the problem with and without the antivirus as well as firewall(s) disabled?
Thank you so much! I did the method of renaming the SLStore and SLCache, and now am able to use the product!
Many thanks for the follow up with the great news of success with that challenging Premiere Elements 12 Sign In.
You did well sorting through the troubleshooting to get to your solution.
Your results are appreciated by all those looking for answers for the Premiere Elements 12 Sign In problems.
Best wishes as you move forward with your Premiere Elements 12/12.1 projects.