15:49:10| Info| Package: G:\Server\amd64\Server.msi, Options: ADDLOCAL="Installer" INSTALLDIR="C:\Users\ADMINI~1.FAS\AppData\Local\Temp\2\MSCRM_{9981C802-9411-4D6A-B58D-5F5A9FE5E441}" TARGETDIR="C:\Users\ADMINI~1.FAS\AppData\Local\Temp\2\MSCRM_{9981C802-9411-4D6A-B58D-5F5A9FE5E441}" ALLOWRUN=1 PATCH="C:\Users\ADMINI~1.FAS\AppData\Local\Temp\2\MSCRM_{139783F0-792F-4103-A829-043E9C5A8F28}\Server_KB2434455_amd64_1033.msp"
15:49:12| Error| Error 1642 reported by MsiInstallProduct
15:49:12| Error| Setup cannot proceed because an error occured while copying installer files to the local system: The upgrade cannot be installed by the Windows Installer service because the program to be upgraded may be missing, or the upgrade may update a different version of the program. Verify that the program to be upgraded exists on your computer and that you have the correct upgrade. (setup.cpp:CCrmSetup::CopyInstallerFiles:488).
this is from a previous working install where I had attempted an upgrade to CRM2013.
database is still there however CRM is now gone.