Fix PC Error

Offline	Optical Media	Output
OEM	Online	OCR
Output Device	Open Firmware	Outbox
OSPF	OLE	ODBC
OLAP	Open Source	Operating System
Optical Drive	OpenGL	Overclocking
OOP	OCR	OSPF
Optical Media	Online	ODBC
Optical Drive	Open Source	OLE
Operating system	OpenGL	OEM
Offline	OLAP	Open relay
Open source software	Overwriting virus	OCZ
Oracle	Ornge	Osram