Steam an error occurred while updating dota 2
The Steam installer can be downloaded here: ( and reinstalled to the same location where it is already installed.This may fix potential issues with Steam client and service files. It can be very helpful to test the issue by installing on an alternate hard drive.
Navigate to your Steam - Clear Download Cache The Steam library folder contains all of your installed games on disk.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.This is a common type of error that can occur any time a game is updated or installed on Steam The error results when Steam is not able to complete the installation.The specific reason for the error will be shown in the parenthesis at the end of the error message.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.
AV software hooks very deep into user systems and can affect disk and network operations which will cause issues with Steam.
Some games also use copy protection technology that can appear as malicious software to an AV scanner, resulting in potential false-positive alerts.
You may even need to temporarily disable it for testing purposes.
It may be necessary to add exceptions in your firewalls for Steam.
You'll want to work with a tech support specialist to ensure that your AV software is not interfering with Steam.