My WinZip is frequently throwing an error message

Hi Experts,
My WinZip is frequently throwing an error message. It has failed to save my credentials showing the error code 5. What does it mean? Have a look at the error message. Please help me to get a remedy of this error message.
Thanks in advance.

WinZip
WinZip could not save your registration credentials in C:ProgramDataWinZip WinZip.sureg.
Could not write data to file, error code=5
