Just for an experiment, did you try to uninstall it using msiexec command line i.e. msiexec /x {YourMSIProductCode} /log UnInstall.log e.g. from log above, msiexec /x {19088323-FCA5-4A9C-9376-7CDEB918E59E} /log UnInstall.log On 21 April 2016 at 17:33, <john.pnvn at seznam.cz> wrote: > {19088323-FCA5-4A9C-9376-7CDEB918E59E} >