Crack files are often flagged as "False Positives." Check your quarantine folder if the game fails to launch.
If you get a "Checksum Error," part 2 may be incompletely downloaded. Paper.Dolls.2.Escape-PLAZA.part2.rar
Right-click part1.rar and select "Extract Here" using WinRAR or 7-Zip. Crack files are often flagged as "False Positives