Some security software flags profile.dat as a false positive.
Advance past the title screen to verify you can access the main menu.
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: This version is known for persistent sync issues; if possible, disable cloud saves in the launcher settings before relaunching.
Open the numbered folder. Inside, you will find several files, including profile.dat and a series of savegame.dat files. Select the profile.dat file and delete it. Do not delete the savegame.dat files as these are your actual game progress saves.