every when will i use Ccleaner

is restore point can also retrieve broken registry.?
 

My Computer

Computer Manufacturer/Model Number
Acer
OS
Microsoft Windows 7 Home Premium 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
Motherboard
Acer JE50_HR
Memory
8.00 GB
Graphics Card(s)
Intel(R) HD Graphics Family
Sound Card
(1) Realtek High Definition Audio (2) Intel(R) Display Aud
Screen Resolution
1366 x 768 x 32 bits (4294967296 colors) @ 60 Hz
Hard Drives
(1) TOSHIBA MK1059GSMP (2) ZTE MMC Storage USB Device
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