External References
- "PC Checkup Service". Symantec. Retrieved 2009-02-19.
Read more about this topic: Norton PC Checkup
Famous quotes containing the word external:
“The burning of rebellious thoughts in the little breast, of internal hatred and opposition, could not long go on without slight whiffs of external smoke, such as mark the course of subterranean fire.”
—Harriet Beecher Stowe (1811–1896)