Use UPCleaner to defragment your hard disk

One solution is to run disk defragmenter. This is a program that “picks up the pieces” and puts them back in order. After defragging your drive many people notice a pick up in speed. The hard drive is no longer working so hard to find all the pieces and put them back together.

To defragment your hard disk:

1.Open Disk Defragmenter by clicking the Start button . In the search box, type Disk Defragmenter, and then, in the list of results, click Disk Defragmenter.
2.Under Current status, select the disk you want to defragment.
3.To determine if the disk needs to be defragmented or not, click Analyze disk.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.
4.Once Windows is finished analyzing the disk, you can check the percentage of fragmentation on the disk in the Last Runcolumn. If the number is above 10%, you should defragment the disk.
5.Click Defragment disk.  If you’re prompted for an administrator password or confirmation, type the password or provide confirmation.

Disk Defragmenter might take from several minutes to a few hours to finish, depending on the size and degree of fragmentation of your hard disk. Used pc cleaner like UPCleaner to check for any hidden programs or processes that may be running, your system continues to run slowly.You can still use your computer during the defragmentation process.