02. How to slow down the computer?

01. Run Scheduling Task (e.g. Antivirus Scanning, Windows Scan Disk, Scheduling Backup...).

02. Insufficient of RAM (e.g. WinXP on 1GB, Vista & Win7 on 2GB).

03. Insufficient of Hard Disk Space for Local C (i.e below 15% of total HDD Size).

04. Running too many application in same time.

05. Install more then 1 Antivirus in 1 same computer.

06. Never run Windows ScanDisk & Defragment.

07. Running BT on the computer.

08. Running computer in Eco Mode (i.e. save power consumption mode)