Eu quebrei e escrevi um vbscript para a limpeza do registro que parece funcionar ...
On Error Resume Next
const HKEY_LOCAL_MACHINE = &H80000002
const HKEY_CLASSES_ROOT = &H80000000
const HKEY_CURRENT_USER = &H80000001
strComputer = "."
Set oReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\" &_
strComputer & "\root\default:StdRegProv")
strKeyPath = "Software\Microsoft\Office.0"
DeleteSubkeys HKEY_CURRENT_USER, strKeyPath
strKeyPath = "Software\Microsoft\Office.0"
DeleteSubkeys HKEY_LOCAL_MACHINE, strKeyPath
strKeyPath = "SYSTEM\CurrentControlSet\Services\ose"
Deletesubkeys HKEY_LOCAL_MACHINE, strKeyPath
strKeyPath = "SOFTWARE\Microsoft\Office\Delivery\SourceEngine\Downloads"
oReg.EnumKey HKEY_LOCAL_MACHINE, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "0FF1CE}-") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_LOCAL_MACHINE, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall"
oReg.EnumKey HKEY_LOCAL_MACHINE, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "0FF1CE") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_LOCAL_MACHINE, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UpgradeCodes"
oReg.EnumKey HKEY_LOCAL_MACHINE, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "F01FEC") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_LOCAL_MACHINE, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18\Products"
oReg.EnumKey HKEY_LOCAL_MACHINE, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "F01FEC") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_LOCAL_MACHINE, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "Installer\Features"
oReg.EnumKey HKEY_CLASSES_ROOT, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "F01FEC") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_CLASSES_ROOT, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "Installer\Products"
oReg.EnumKey HKEY_CLASSES_ROOT, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "F01FEC") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_CLASSES_ROOT, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "Installer\UpgradeCodes"
oReg.EnumKey HKEY_CLASSES_ROOT, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "F01FEC") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_CLASSES_ROOT, strKeyPath & "\" & subkey
End If
Next
strKeyPath = "Installer\Win32Assemblies"
oReg.EnumKey HKEY_CLASSES_ROOT, strKeyPath, arrSubKeys
For Each subkey In arrSubKeys
If Not InStr(subkey, "Office12") = 0 Then
'WScript.Echo subkey
Deletesubkeys HKEY_CLASSES_ROOT, strKeyPath & "\" & subkey
End If
Next
Sub DeleteSubkeys(reghive, KeyPath)
Set objReg=GetObject("winmgmts:{impersonationLevel=impersonate}!\" &_
strComputer & "\root\default:StdRegProv")
objReg.EnumKey reghive, KeyPath, arrrSubkeys
If IsArray(arrrSubkeys) Then
For Each strrSubkey In arrrSubkeys
DeleteSubkeys reghive, KeyPath & "\" & strrSubkey
Next
End If
objReg.DeleteKey reghive, KeyPath
End Sub