You can contact WikiAnswers at e-mail Unblock @ Answers.com (remove spaces).
The reason for bans are violations of the Terms of Service. If you didn't read them, and inadvertently violated some of them, you could be reinstated. If a Supervisor provided guidance and it was ignored, or worse, and then you insulted the Supervisor, chances are pretty slim!
And posting bad language, spam, cyberbullying and vandalism aren't likely to be given a second chance.
The guide to appealing blocks is at Wikipedia:Guide to appealing blocks.
First, ask the blocking administrator, either using the "email This User" feature or by adding {{unblock|<reason for unblocking>}} to your user talk page.
If that doesn't work, for example if you have email disabled, for the English Wikipedia you can try emailing unblock-en-l@lists.wikimedia.org (it is not necessary to subscribe in order to post to this list).
Finally, you can contact the Ban Appeals Subcommittee of the Arbitration Committee, at Wikipedia:Arbitration_Committee#BASC.
It depends what and how its blocked on your computer.
Yes, you may appeal a block and the Vandal Patrol or Community Advisor team might restore your access.
You contact them and ask them why you were blocked and try to work it out with them.
Sign on using a different computer.
Wikipedia has no connection with Microsoft except some articles about them.
Indefinite
The thief tried to evade the police by running through the back alleys.
A person who didn't want to answer this question would evade it. I see no reason to evade your questions.
I try to evade my wife when it is time to clean.
google wikipedia get answers for yourself quicker... search "new kids on the block"
John List managed to evade the police for 18 years, until a neighbor turned him in after seeing him on America's Most Wanted.To evade danger, Chuck hid in the bushes until the mob passed.
If the bandits evade capture the will cross the border into Canada.
Vandalism/Creating Inappropriate Pages/Creating Inappropriate users
I was able to evade him for now, but I doubt that I'll be able to do so forever.
It is illegal to evade a civil restraining order. Once you evade it, you may be held in contempt of court. You may also face criminal sanctions.
Chief Joseph was able to evade his pursuers for a long time.