First Time Setup runs every time I click Play
Whenever I run Dota 2, Steam shows me this UAC dialog:
If I click No, the game launches. If I click Yes, I see the following and then the game launches.
It's just an annoyance, but how can I prevent this from happening?
I've tried reinstalling both Steam and the game.
Solution 1:
Identify the "steam app" number (I think DOTA2 is 570)
Find the installscript.vdf file in the game's install folder. Open it with a text editor You will see lines like this:
{...} InstallScript"
{
"Run Process"
{
"DirectX" {...}
For every "run process" item like DirectX highlighted above, add a new dword parameter in the registry and set it to 1 in the proper registry node. For Dota2, the app node is:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Valve\Steam\Apps\570
If you using a 32-bit OS, omit Wow6432Node.
You can examine sibling game nodes for more confirmation, but I think once it all runs, steam also adds a dword named "Installed" with a value of 1.
Rarely, an installscript.vdf has a typo (like "DircetX"). I think you need to copy the typo in the registry entry.
This file may be rewritten when steam updates a game. Clearing the contents is a temporary fix.
Solution 2:
- Go to the directory where Dota 2 is installed in your Steam Library.
- Open installscript.vdf with Notepad or any other text editor
- Replace the contents with:
"InstallScript" { }
- Save the file and close Notepad.
- Set installscript.vdf to be read only via the file's properties.
This way Steam should never bug you again.