Disk clean-up problems

I used to optimize the master disk D inspection
clean-up is to say, but Hao Mana
time I would like to ask what the consequences of not cleaning up?
Detailed point I would like to thank

Disk Cleanup can clear debris! Computer use has been a long time, there will be debris paper, paper debris, it will take up disk space, the impact of computer performance, slow down the speed.Therefore, the need for regular disk clean-up.Carry out because of the disk to read and write and delete, move (a simple point , That is, write) a different frequency, the disk clean-up cycle is not the same! But frequent Disk Cleanup is not the more the better, but frequent cleaning of the impact of disk life! Under the circumstances, if you regularly delete some files to download, then the need for more disk clean-up; On the other hand, if the few deleted files, then the 2012's can not clean up.Generally speaking, four or five on the clean-up time Can be.