Cracked software is one of the most common vehicles for malware distribution. The "keygen.exe" or "patch.exe" you download alongside a serial is often a Trojan, ransomware, or keylogger. Consider the irony: You are using a data recovery tool to save files, but you infect your system with a virus that encrypts or steals those very files.
Why this is problematic:
Select the device you want to recover data from.