How can a user keep getting locked out of machine while using it on a domain

My User Account is locked out again.  I was in Alliance and the login window popped up.  I entered my user name and password but it would not take it.
This is the same thing that has happened from time to time when using Outlook. The client is using the correct password and it still keeps locking him out and I have to unlock him after three tries..
the user is in the middle of working with different programs
WalterWeberAsked:
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ckimball99Commented:
You'll need to turn on auditing for account logon failures on your Domain Controller(s) and then parse the Event Log for the failures.  The failures will include an error code of why the logon failed, and will tell you which computer the failures came from.
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johnb6767Commented:
Account Lockout and Management Tools
http://www.microsoft.com/downloads/details.aspx?FamilyID=7AF2E69C-91F3-4E63-8629-B999ADDE0B9E&displaylang=en

sEE IF THIS WILL HELP TROUBLESHOOT....

Once you get locked out, look for alockout.log, and see what you can see...
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WalterWeberAuthor Commented:
Thanks guys I am looking into both.. I am getting the error 1006 and 1030
I went to users machine and then went to user accounts manage passwords and deleted cached...
I will look into the account lockout tool
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WalterWeberAuthor Commented:
Going to user accounts managed passwords and deleting cache this issue was resolved
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khochuoiCommented:
I think I have the same issue. Where do I look for "user Accounts managed password"? Is it a third party tool?
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