Secure Connection Failed On Firefox: PR_CONNECT_RESET_ERROR. If there’s a file with the same name in the target location, system will ask whether you'd like to replace it please choose Replace.
Open your external hard drive or USB drive.If you have only one, it will be named ********.default. Right click on the profile folder you want to copy.Connect an external hard drive or USB drive to the current computer.Copy & paste (or type it manually) %appdata%\mozilla\firefox\profiles\ to the textbox after Open.Right click on the Start button or press Win + X.Make sure your Firefox browser is closed.The storage path of the Profile folder is displayed after Open Folder, so you can follow it to open folder manually. Click Profiles in the address bar of the opening window.Look for the Profile Folder option under the Name column.The Troubleshooting Information tab will appear.
Select Help and click More Troubleshooting Information.Click on the menu icon in the top right corner.
Where’s your Firefox profile? You can find out in 2 ways. The first step of Firefox profile migration is finding & copying the Firefox profile on your current computer. How Do You Solve Firefox Not Playing Videos Issue? Step 1: Find Your Firefox Profile However, if the profile is deleted somehow due to misoperation or crash, you should scan the drive that keeps it immediately by using the reliable MiniTool software. Tip: You’d better back up the profile folder so that you won’t lose your personal data saved on the browser.