Original post : rstrui.exe not recognized: Fix for Windows.
rstrui.exe is not recognized as an internal or external command, operable program or batch file.
System32
\Windows\System32\rstrui.exe
%systemroot%
%systemroot%\system32\restore\rstrui.exe
For more information on chkdsk, read the chkdsk guide.
chkdsk c: /r
c: