#Disk cleanup calculation takes forever full

For a drive that has more than 25% free space, deleting files will not make any difference to performance.

Also assuming you have the default 'system managed size' for the page file, that will automatically shrink to fit in the available space.

#Disk cleanup calculation takes forever full

Having a hard drive that is over 75% - 80% full will affect performance because file fragmentation (and automatic defragmentation) will increase. By default only the Downloaded Program Files and Temporary Internet Files will be selected. This makes the process slower to startup.ДЄlthough many of these files are often described as 'junk' you should carefully evaluate what they do before deleting them. If CLEANMGR is run without /sageset or /sagerun, it will start by calculating how much disk space could be saved. Autoclean Analyze the system files left over from a previous Windows version/in-place upgrade.ДЄnd also remove those files automatically. SETUP Analyze the system files left over from a previous Windows version. VERYLOWDISK Disk Cleanup will open with all options checked, no user prompts. Normally invoked when Windows notifies that of disk space is running out. LOWDISK Disk Cleanup will open with all options checked. TUNEUP: n Run /sageset and /sagerun for the same n Selected profile will be run against each drive. Specify different tasks for Disk Cleanup to run.ДЄll drives in the computer will be enumerated, and the The n value is stored in the registry and allows you to SAGESET: n Display the Disk Cleanup Settings dialog box and createДЄ registry key to store the settings you select. Specify the %systemroot% drive to see all the available options. NOTE: The /d option is not utilized with /SAGERUN: n. D driveletter The drive that you want Disk Cleanup to clean.

SyntaxД¬LEANMGR /sageset: n optionД¬LEANMGR /sagerun: n option Automated cleanup of Temporary files, Internet files, downloaded files, recycle bin.