0.001 2015-09-16 17:17:53; Factorio 0.12.7 (Build 16743, win64)
0.001 Operating system: Windows 10
0.001 Info Updater-win32.cpp:130: Starting updater
0.001 Info Updater.cpp:358: Applying update C:/Users\Richard\Desktop\Factorio_0.12.7\temp\core-win64-0.12.7-0.12.8-update.zip
1.760 Info Updater.cpp:358: Applying update C:/Users\Richard\Desktop\Factorio_0.12.7\temp\scenario-pack-0.12.5-0.12.8-update.zip
1.765 Info Updater-win32.cpp:141: Starting updated game
2.350 Error Updater-win32.cpp:153: Shell execute error 5
2.350 Error Util.cpp:46: Shell execute error 5
7.328 Goodbye
Now whenever I try to launch factorio, I get this error. 0.001 Operating system: Windows 10
0.001 Info Updater-win32.cpp:130: Starting updater
0.001 Info Updater.cpp:358: Applying update C:/Users\Richard\Desktop\Factorio_0.12.7\temp\core-win64-0.12.7-0.12.8-update.zip
1.760 Info Updater.cpp:358: Applying update C:/Users\Richard\Desktop\Factorio_0.12.7\temp\scenario-pack-0.12.5-0.12.8-update.zip
1.765 Info Updater-win32.cpp:141: Starting updated game
2.350 Error Updater-win32.cpp:153: Shell execute error 5
2.350 Error Util.cpp:46: Shell execute error 5
7.328 Goodbye
Edit: I should also mention that this happens whenever I uninstall and delete the game data, and it also happens on 0.12.7 and 0.12.8.