While attempting to uninstall Roxio I inadvisedly ran McAffee clean. Dialog box became unreadable as text was displayed in what looked like Wingding font. Please advise on how to recover normal fonts.

The computer is a Dell Latitude laptop on which the connection to the internet is not functioning.

While attempting to uninstall Roxio I inadvisedly ran McAffee clean. Dialog box became unreadable as text was displayed in what looked like Wingding font. Please advise on how to recover normal fonts.

The computer is a Dell Latitude laptop on which the connection to the internet is not functioning.

ctrl+alt+del>task manager>click file>new task>type: %systemroot%\system32\restore\rstrui.exe>run system restore back to when it was working

Tried the cure but "%systemroot%\system32\restore\rstrui.exe" could not be found.

Tried the cure but "%systemroot%\system32\restore\rstrui.exe" could not be found.

what operating system?