Copying a USB Drive does not copy Firefox or Firefox Private Browsing completely. Errors, not able to find several items.
New: Coreinfo (Feb 06, 2026), Platform 30.1.3 (Nov 17, 2025)
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Did you close down Firefox entirely? You might need to open up Task Manager (CTRL+SHIFT+ESC) to check that all instances of Firefox have closed.
Moderator at portablefreeware.com
I also face the same problem but your idea of creating a launcher for IYF is quite effective.