You can configure CCleaner automatically clean (a particular type of) files from any folder or exclude on the contrary exclude them while cleaning your system.
Open the program
Click on Options (small blue gear icon-in the left colum)
The two tabs that will concern us are:
Include: allows you to define the types of files that must be deleted and from which folder
Exclude:allows you to define which files, folders or registry entries will remain untouched.
To include files
Click on the Include Tab > in the right pane click on the Add button
In the now dialog that opens check the appropriate options
In the "Include section"
To include a particular file > check the "File" option > click on browse and select the file (Note that in this mode the File Type section will be grayed out)
To include a particular Drive or folder > check the "Drive or Folder" option > click on browse and select folder or drive of your choice
The next step is to configure the file type.
If you want to clean all the files in the folder then leave the "All files" option checked
In the other case define the file types that you want to clean out, as below:
In this example all the .png files from the Picture library will be clean out each time CCleaner is launched.
You can add other file format using a comma (,) as seperator .
To exlude files, folders registry keys
To define an exclusion, Firs click on the Exclude tab and then on the Add button
In the new dialog select the type of exclusion, will it be a particular file, folder or registry entry, check the appropriate option and indicate the path to this particular item using the Browse button