Delete the files under the C:\Documents and Settings\hao\application data\subversion\auth\svn.simple folder.
When you visit again, you will be asked to enter your user name and password.
The path name above is for reference only, Hao is one of my username, application data is a hidden folder.
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Subclipse remember how to cancel after password
The newly-developed projects are versioned with SVN, and it's not a bad idea to install the SVN plugin--subclipse on Eclipse. It's a little bad!
When adding the repository, if "Remember Password" is selected, the password entered is incorrect. OK, there is no place to change the password, even if it is to delete the repository re-added, but also with the password previously entered to persist in trying. There is also a "Password Management" in the configuration options for CVS, which is not available in the SVN option of Subclipse. Subclipse really thought we were saints. Helpless only delete the eclise_home/configuration/org.eclipse.core.runtime/.keyring file (the file name is interesting: keychain). Although it can solve this problem, but also the other saved in the password to discard, sorry! Hope Subclipse hurriedly out of the new version also provides CVS-like "Password Management".
MyEclipse SVN plugin to remove saved password methods