Delete Cached Windows Network Share Passwords
On Windows XP, click Start - Settings - Control Panel - User Accounts - Your username - Manage network passwords (on the left hand side). You can add, edit and remove saved credentials here for accessing network resources here.
To delete locally cached credentials you can follow the below steps.
Open Run Window by clicking Start -> Run or click ‘Windows key’+‘R’.
In the text box, type the command rundll32.exe keymgr.dll, KRShowKeyMgr and click OK. Note:You can also type and run this command through Command Prompt.
You could see the Stored Usernames and Passwords window after run the command.
To remove a saved credential you can select one of the entries and select Remove. A confirmation screen will appear. Click on OK and the account will be removed
You can add additional saved passwords as well by clicking on the Add button and entering the appropriate information