User Guide
Using PowerClean
44 McAfee QuickClean
In some cases, the color code is determined by your default settings. For 
example, if you specify that files of a specific type in a specific location should 
never be deleted, those files are marked with a red circle.
Changing the defaults for the PowerClean feature
If you have started the PowerClean feature and are working in the 
PowerClean dialog box, click Settings on the Options menu. The Settings 
dialog box opens with the PowerClean page open.
Table 6-4. Descriptions of PowerClean color codes 
Code Description
Red circle with a 
diagonal line across it
Files marked with this code are necessary for your 
computer to run correctly.
You cannot delete these files from the PowerClean 
dialog box.
Red circle Critical files used by applications, and files that are 
not old enough to be deleted.
The original default is set to prevent you from 
deleting these files. We strongly recommend that 
you keep this default setting. Files used by 
applications should never be deleted. 
To change the age files must reach before they can 
be deleted, change the accessed and/or modified 
age specified in the Settings dialog box. 
Yellow square Important files.
These files might be used by applications on your 
computer. They might also be linked to 
applications on a removable disk that is not 
currently available. 
Read information in the Advice tab before you 
delete these files and make sure that deleting them 
will not cause operating system or application 
problems.
Green triangle Files that are not important to the operating system 
or applications.
They might be very important to you, however. 
Make sure that you know what they are used for 
before you delete them, and create backups in case 
you need them again.










