Do not popup Error Message when ERROR_SUCCESS_* is returned
Do not popup Error Message when ERROR_SUCCESS_* is returned

'0' is not the only ERROR_SUCCESS value :)

Signed-off-by: Kostas Ladopoulos <7920ee5edb7fd3a4c6c6e3ebe9bd13d4a7f2eff1@citrix.com>

OwenSmith/win-installer,xenserver/win-installer,OwenSmith/win-installer,OwenSmith/win-installer,xenserver/win-installer,OwenSmith/win-installer,xenserver/win-installer,xenserver/win-installer,xenserver/win-installer,OwenSmith/win-installer