Sometimes moving the installation file to the root of a non-system drive helps.Path to the folder where the installation is performed.In this case, I recommend not changing the name of the user folder (not all go well), and creating a new local user with a Latin alphabetic name and running the installation, logging in under this user (most likely, the game installed is available under the old user). Path to the folder with temporary files (and this path depends on the name of the user's folder - if it is in Russian, there may be a problem).Path to the installer folder and name of the installation file.If the file paths contain Russian characters, errors may occur in unarc.dll and ISDone.dll. Check the presence of Russian letters in the path to the folder with unarc.dll and not only
Or use another: if you used WinRAR before, try 7zip, for example. The causes of the error occurring the unarc.dll returned the error code 11 when playing the game On the way to the folder in which the game is being. Another probable cause of the error is a problem with the filing cabinet.