OK try this ;D

Warning This fix is only relevant for this system and no other, using on another computer may cause problems

Run OTL

[*]Under the Custom Scans/Fixes box at the bottom, paste in the following

:OTL O4 - HKU\S-1-5-21-4191096255-2624141335-3855073267-1000..\Run: [XbiAkipt] C:\Users\yinghan\AppData\Local\puqnaigd\xbiakipt.exe () O4 - Startup: C:\Users\yinghan\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\xbiakipt.exe () [2011/10/13 20:26:19 | 000,000,000 | ---D | C] -- C:\Users\yinghan\AppData\Local\puqnaigd

:Files
ipconfig /flushdns /c

:Commands
[purity]
[resethosts]
[emptytemp]
[EMPTYFLASH]
[CREATERESTOREPOINT]
[Reboot]


[*]Then click the Run Fix button at the top
[*]Let the program run unhindered, reboot the PC when it is done
[*]Open OTL again and click the Quick Scan button. Post the log it produces in your next reply.