Can't install ccleaner

CCleaner for Windows
1

I can’t install ccleaner, I receive the error write file System.dll.

Can anyone help, please?

2

Can you give more information please.

What operating system do you use?

Which version of CCleaner are you trying to install?

Where did you download it from?

Has CCleaner been used on your machine before?

Are you having any other problems on your machine?

3

Dear Hazelnut,
Thank you very much for your e-mail.

operating system - win 11

version of CCleaner - ccsetup639.exe

download it from - ###.ccleaner.com/ccleaner/download (###=www, no links, !?)

used on your machine before - yes, free version

any other problems on your machine - no, its a ASUS LAPTOP-356RMJ86

Kind regards,

FPA

4

Is your machine fully up to date with all Win 11 updates?

Try installing the free version from here

5

Once again tyvm for your help.

Yes I keep all the updates win sends.

I installed the app, from the link you send me, with one diference;- I used the admin option, and it looks ok.

Now I going to look were I must put the program key.

Thanks a lot.

FPA