1.   However, King said Napster officials said they would block any users who violated copyright laws if Metallica could identify them.

2.   Last week, AOL blocked Trillian users from logging on to Instant Messenger.

3.   Microsoft designed its update so that it will not load on illegal copies of Windows XP and said it will block users of pirated copies from downloading future patches.

4.   Without the decoding key, a user is blocked from reading the information or stealing it.

5.   Because the shared files contain copyright-protected material, KaZaA was ordered to block users from downloading songs.

6.   Chinese users are blocked from Web sites that have offensive material, for instance about the situation in Tibet or the democracy movement.

7.   Germany and Singapore also have blocked Internet users from viewing pornography and other banned sites.

8.   Google can block users in specific countries from seeing logos they might not appreciate.

9.   In a ruling issued late Thursday, an Amsterdam district judge told the Dutch company KaZaA BV to block users from sharing copyright-protected material.

10.   In a ruling from an Amsterdam district judge issued late Thursday, KaZaA was told to block users from sharing copyright-protected material.