Unable to update to V5.52 (CCleaner Pro)

[Chris_Hopes]

Files download, and start to install, then a message "Error opening file for writing C:\Program Files\CCleaner\ccleaner64.exe"

[hazelnut]

See here

https://forum.piriform.com/topic/53111-fail-to-install-ccleaner-pro-v5516939/?tab=comments#comment-302097

[D_PERRIN]

Same problem, during the installation with two different files...