Wise Disk Cleaner 6.31.337 + Portable | 1.7 Mb + 2 Mb

This freebie does a neat job of cleaning out the Registry junk. It scans the Registry, flagging orphaned or bad Registry entries, and shows you the name and values for each.

Features

Scan the entire registry entries takes only a few seconds.
Backup registry make it safe to restore.
Defragment registry make your registry structuring.
Scheduled task enabling.
Very easy to use for novice users and pros alike.
Wise Registry Cleaner will greatly improve PC performance by removing and optimizing all the invalid registry entries and error items.
Unlimited Free technical support.