Ccleaner error opening file for writing

I don’t know the problem but whenever I try to install CCleaner in my computer this error is always appearing even when I re download the installer of CCleaner.
CCleaner Setuo
Error opening file for writing:
C:Program FilesCCleanerCCleaner.exe
Click Abort to stop the installation,
Retry to try again, or
Ignore to skip this file.
