Deleted Adobe_Lightroom_x86.msi by accident - cannot update Lightroom

[Johan_Meintjes]

While cleaning out my boot disk recently, the .msi extension made me think that it was just unused installation files, so I deleted this file from the disk permanently.

Is there any way to get it back, or re-instate this file from sources?

Lightroom 4.2 starts, advises me of the 4.3 update available, but after downloading and starting the update installation, it ends with the error that "Adobe_Lightroom_x86.msi" could not be found.

I have tried looking for this file in the installation sources, but no luck so far.

Everything else works fine, but I will be stuck without updates unless I start from scratch... not a nice prospect, since I have almost 80k pictures and edits in my library.

Can someone please help?

Thanks!

[Jeff A Wright]

Are you able to remove the current installation from the Programs and Features control panel?

[Johan_Meintjes]

No, because whenever it starts the uninstall routine, it is looking for this .msi file as well. Thanks for the reply.

[pwillener]

You could try a file recovery program like Recuva.

[Johan_Meintjes]

Thanks Pat, but I deleted it while pressing shift... I did try Recuva, though, on the off chance that it could find it - no luck.

Is there no way to simply "extract" this file from the original installation source?

[Jeff A Wright]

You could try recovering the file from another computer.  You might also try running the Microsoft FixIt utility - http://support.microsoft.com/mats/program_install_and_uninstall to try to remove the software.