How can I change a network password that Windows Explorer has saved?

Solution 1:

Windows 7 has a Credential Manager which lets you view/modify that information.
To access it press Win+R, input control keymgr.dll, Enter

Alternately, you can find the tool under Control Panel > Network and Internet > User Accounts > Credential Manager.

Solution 2:

I had the same problem (using Windows 7). I use Windows Explorer (sometimes) to upload new files to my web servers but I do not ever use IE (Internet Explorer). I wasn't coming up with any valid solutions on this topic so I tried some things of my own. Long story, short: go into Internet Explorer and clear the history including passwords. Since I don't use IE, I cleared everything... cache, cookies, passwords, etc. Clearing out IE cleared out Windows Explorer and I was able to input new usernames and passwords.