Memory leak error often caused by Antivirus or malware scan application which try to hook spesifics memory.
Or UFI.exe is corrupted because of False disinfection by antivirus.
UFI.exe build 429 should have this hash value:
other than that, exe is corrupted.
If you're using Antivirus, you have to add exclusions to UFI.exe or even better to the root path of UFI directory.
Avoid to use any "cracked" software because some cracked software sometimes come with plus, and this is dangerous to your system.