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Most new games and launchers make sure during installation that they have sufficient permissions after the installer, by setting these permissions during installation.
4) The downloaded file is not corrupted, but cannot be extracted due to corrupted software on your system.
This allows you to have a fast gaming PC power your gaming experience on slower PCs.
For example, you could play graphically demanding games on a laptop in another room of your house, even if that laptop has slower integrated graphics.
When you use Steam In-Home streaming, one PC sends its video and audio to another PC.
The other PC views the video and audio like it’s watching a movie, sending back mouse, keyboard, and controller input to the other PC.
(Valve will eventually allow you to stream games from Mac OS X, Linux, and Steam OS systems, but that feature isn’t yet available.
Of which, these have to be downloaded in order to play and are around 500MBs divided into around 12 files.
2) The files on the server are corrupted: This can cause the same issue as with #1 3) The game cannot save the files at the location that it needs to.
This can be caused by installing the game in the "Program Files ((x86))" directory, as that directory is normally only edit-able by administrative permissions.
You could connect a slower PC to your television and use your gaming PC without hauling it into a different room in your house.
Streaming also enables cross-platform compatibility. You could have a Windows gaming PC and stream games to a Mac or Linux system.