Windows 10 cannot save changed old files
Windows 10 installed successfully with latest auto downloaded update patches. During upgrade installation, Windows 10 requested to sign-in with a new user name/email address and the password. The old user name and password in Windows 7 are gone. When first edit an Excel worksheet, Windows 10 does not allow to save old file in C: and ask administrator to help. Both old and new users are already in administrator mode, only user names are different. Even tried to save as a different file name Windows 10 still does not allow to do so. Please help what to do now.
Windows 10 installed successfully with latest auto downloaded update patches. During upgrade installation, Windows 10 requested to sign-in with a new user name/email address and the password. The old user name and password in Windows 7 are gone. When first edit an Excel worksheet, Windows 10 does not allow to save old file in C: and ask administrator to help. Both old and new users are already in administrator mode, only user names are different. Even tried to save as a different file name Windows 10 still does not allow to do so. Please help what to do now.
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