Oracle Bug 6596234 - Account is Locked - Enterprise Edition 11g

After i have installed Oracle in Vista 32-bit. I kept getting an error message Bug #6596234.

A Window appeared with this message:

This problem was caused by Oracle Enterprise Manager, which was created by Oracle Corporation.


An update is available that solves the problem you reported. To get the update, call Oracle Corporation for assistance.

You will need to reference the following information when contacting Oracle Corporation:
Bug #6596234

1. What should i do?
2. I opened SQL*Plus and types username as "system", password as "manager". I get this message:

Enter user-name: system
Enter password:
ORA-28000: the account is locked

Please help, i'm novice so make your explanation easy to understand - if you don't mind

Thanks in advance

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F-J-KAuthor Commented:
I keep getting annoying window that says nmefwmi.exe...
F-J-KAuthor Commented:
nmefwmi.exe stopped working and was closed
1. Looks like this is a common problem on Vista 32-bit running Oracle  See the following thread:

2. The system account is locked (wrong password entered, or somebody explicitly locked it).  To resolve, connect using SQL*Plus:
SQLPLUS /@database as sysdba

then issue:


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F-J-KAuthor Commented:
I uninstalled version 11g and downloaded version 10g, it works better.
F-J-KAuthor Commented:
Thanks. Can you please explain what does ALTER USER SYSTEM ACCOUNT UNLOCK; mean?
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