Make sure your operating system and hardware drivers are all up to date.For Windows: Start → search "update" → run "Check for Updates" For Mac: drivers cannot be updated separately; only the operating system can be updated.You'll want to work with a tech support specialist to ensure that these services & programs are not interfering with Steam.
Installing into same location will preserve all installed games. If one is already available, you can create a new Steam library folder on this drive.
You can then install new games into this Steam library folder or move already installed games there.
It's always a good first step to make sure that you restart Steam as well as your computer.
Restarting the computer flushes all kinds of system states and caches, while resetting other programs and releasing locks on files and other resources.
Any software that modifies or monitors system, disk or network activity can cause issues while downloading or running a game.
These programs and services can run in the background and are typically associated with software like Anti-Virus, ad-blockers, web-optimizers, firewalls, system cleaners, recording software, proxies, performance boosters etc.
Navigate to your Steam - Repair Folder Sometimes files on hard-disks and other storage devices become corrupted because of bad hardware, software crashes, power surges etc.
Steam can verify the correctness over installed game files and fix them if necessary.
Steam - Add new Library folder If the error is still occurring after following the fixes outlined above, it is possible that something outside of Steam is responsible.
Because these are advanced troubleshooting steps, we highly recommend that you contact a local IT support specialist in your area for further assistance with these steps. Network hardware can get into slow/broken state after running for a long time.
The following fixes will resolve most update and installation errors with Steam.