Can you do the following please...
Please download the Registry Search Tool from here (scroll down-there are also other tools on the page):
Unzip it to a convenient location such as your Desktop.
Make sure that your Antivirus / OS allows the use of the .vbs scripts. If prompted, make sure to allow the script.
Double click regsearch.vbs
Copy / Paste the following line into the Search Box:
then hit Ok
It may take a while to run.
It will tell you when it's done and offer to have you look at the file in Wordpad.
Say Yes, and when it opens copy/paste the content in your reply.