When I install directx end user runtime it says:An internal system error has occurred.I used all instruction that is written in seven forum but nothing work

My Computer
- Computer type
- PC/Desktop
- Computer Manufacturer/Model Number
- HCL
- OS
- Windows 7 Ultimate 32bit
- CPU
- Frontech ruby
- Motherboard
- Asus
- Memory
- 400gb
- Antivirus
- Quickheal antivirus
- Browser
- Google Chrome