What is ‘App Configuration Unavailable’ error in Steam in Windows 10/11?

If you are facing App Configuration Unavailable in Steam or ‘App Configuration Unavailable’ error in Steam Client app in Windows 10/11 computer while installing games, and searching for ways to fix the issue on the web, then you are in right-place for the solution. You are provided with easy steps/methods to resolve the issue. Let’s starts the discussion.

‘App Configuration Unavailable’ error on Steam Client:

‘App Configuration Unavailable’ error is common error relating to Steam Client in Windows 10/11 computer usually appeared when you try to install games on Steam Client. This error prevents you from installing games from Steam Client in your computer for some reasons. The error is appeared with message saying ‘An error occurred while installing TyanoBuilder Visual Novel Studio (missing app configuration)’ with ‘Ok’ button on the error window on Steam Client. Sometimes, this type of issue is occurred due to some temporary issues in your Windows computer and Steal Client.

You can just restart your Windows computer and restart Steam Client in computer to fix temporary issues, and then check if it works for you toward resolving the issue. This issue can be occurred due to required permission not given to Steam Client, outdated/corrupted Steam Client, corrupted game files relating to Steam Client, interference some problematic hardware and/or software, and other issues. Let’s go for the solution.

How to fix App Configuration Unavailable in Steam in Windows 10/11?

Method 1: Fix App Configuration Unavailable in Steam with ‘PC Repair Tool’

‘PC Repair Tool’ is quick & easy ways to find and fix BSOD errors, EXE errors, DLL errors, problems with programs/applications, malware or viruses infections in computer, system files or registry issues, and other system issues with just few clicks.

⇓ Get PC Repair Tool

Method 2: Run Steam Client as Administrator

You can provide administrator permission to Steam Client in computer to fix the issue.

Step 1: Find and right-click on Steam Client shortcut, and select ‘Properties’

Step 2: Click ‘Compatibility’ tab, tick ‘Run this program as an administrator’ checkbox, and hit ‘Disable All’ button, and then hit ‘Apply > Ok’ button to save the changes. Once done, restart Steam app and retry installing the game, and check if the issue is resolved.

Method 3: Update Steam Client

You can update Steam app to latest version can resolve the issue.

Step 1: Open ‘Steam’ app in Windows PC and click ‘Steam’ from menu bar, and select ‘Check for Steam Client updates…’ option

Step 2: Click ‘Restart Steam’ in popup, and then check if the issue is resolved.

Method 4: Delete AppInfo.vdf file

Another way to fix the issue is to delete appinfo.vdf file in your computer.

Step 1: Close Steam app completely and open ‘File Explorer’ in Windows PC, and go to following path

C:\Program Files (x86)\Steam\appcache\

Step 2: Find and right-click ‘appinfo.vdf’ file, and select ‘Delete’ to delete it. Once done, restart Steam Client and check if the issue is resolved.

Method 5: Verify integrity of game cache

You can also try to fix the issue by verifying integrity of game cache on Steam Client in computer.

Step 1: Open ‘Steam’ app in Windows PC and go to ‘Library’, find and right-click on the game that is causing error, and select ‘Properties’

Step 2: Click ‘Local Files’ tab, and click ‘Verify Integrity of game files’ option, and wait to finish scanning and repairing process. Once done, check if the issue is resolved.

Method 6: Disconnect Razer mouse and Uninstall SDK Razer app

This issue can be occurred due to interference of Razer mouse. You can fix the issue by disconnecting your Razer mouse and then uninstall SDK Razer app in your computer.

Step 1: At first, disconnect Razer mouse from computer, and then open ‘Control Panel’ app in Windows PC via Windows Search Box and go to ‘Uninstall a Program > Programs & Features’

Step 2: Find and right-click ‘SDK Razer’, and select ‘Uninstall’ to uninstall it, and after that, restart your computer and check if it works for you.

Method 7: Redeem product key

Another way to fix the issue is to redeem product key on Steam client.

Step 1: Open ‘Steam’ app in Windows PC and click ‘Games’ in menu bar

Step 2: Select ‘Activate a product on Steam…’ from list.

Step 3: Click ‘Next’ in ‘Product Activation’ window, and click ‘I Agree’ button in next window,

Step 4: Enter ‘Product Key’ and click ‘Next’, and follow on-screen instructions to finish activation. Once done, check if the issue is resolved.

Conclusion

I hope this post helped you on How to fix App Configuration Unavailable in Steam in Windows 10/11 with easy ways. You can read & follow our instructions to do so. That’s all. For any suggestions or queries, please write on comment box below.