If the error repeats try the steps below:
Locate your SimCity install directory (default is C:Program Files (x86)Origin GamesSimCity)
Go to C:Program Files (x86)Origin GamesSimCitySimCityUserDataPatchesUpdatedApp
Copy all files from within that directory
Paste all files into C:Program Files (x86)Origin GamesSimCitySimCity
When prompted select COPY & REPLACE for all files
Run SimCity again