steam_api.dll is either not designed to run on Windows or it contains an error.Reinstalling the program may fix this problem.
Try reinstalling the program to fix this problem. The most commonly occurring error messages are: For instance, a faulty application, steam_api.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry. Errors related to steam_api.dll can arise for a few different different reasons.
