For IT technicians The MAPI Fixit Tool provided above restores a default Windows Registry value. If the tool is unable to modify the registry directly, the registry key (String Value) can be created or updated manually. For 32-bit versions of windows: Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Messaging Subsystem Registry Value Name: MAPI Type: REG_SZ Registry Value: 1 For 64-bit versions of windows: Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Messaging Subsystem Registry Value Name: MAPI Type: REG_SZ Registry Value: 1 |