CreateRestorePoint:
reg: reg export HKCR\Applications\WFVIEW.EXE\shell\open\command "C:\Documents and Settings\All Users\Desktop\HKCRWFVIEW.reg"
reg: reg export HKCU\Software\Classes\Applications\WFVIEW.EXE\shell\open\command "C:\Documents and Settings\All Users\Desktop\HKCUWFVIEW.reg"
reg: reg delete HKCR\Applications\WFVIEW.EXE
reg: reg delete HKCU\Software\Classes\Applications\WFVIEW.EXE
Reboot: