Cannot contact the steam network updating
You'll want to work with a tech support specialist to ensure that these services & programs are not interfering with Steam.
You may even need to temporarily disable them for testing purposes.
Navigate to your Steam - Clear Download Cache The Steam library folder contains all of your installed games on disk.
Sometimes, servers in a specific region may be slow, overloaded or have a hardware failure causing download issues.
It is advisable to temporarily switch to a different download region to use another set of content servers. You may need to test several regions other than your own.
These folders need to be writable by all users in order to update properly.
Sometimes these user permissions break and need to be refreshed.