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To quickly resolve your problem, we recommend download and use openvr_api.dll Fix Tool. If you have technical experience and you want to install a DLL file manually, please select your version of Windows and download openvr_api.dll, after that copy it to the appropriate place using the instruction below, it will fix dll errors.
openvr_api.dll - dll file called "" is a part of OpenVR Loader DLL program developed by Valve.
Some applications or games may need this file to work properly. If openvr_api.dll is missing, whenever you start the application/game you may experience various kinds of errors. To fix those errors, please read the Recommended Solution below.
File version: 1.0.10.0
File size: 0.41 MB
MD5 file sum: 19bd14dd31d59576cc48a819e660ecba
SHA1 file sum: 9fe8ad7a9ac407917a42080fc64dc61eb082e75e
Possible error messages regarding this file:
openvr_api.dll is missing
openvr_api.dll error loading
openvr_api.dll crash
openvr_api.dll was not found
the procedure entry point openvr_api.dll
openvr_api.dll could not be located
openvr_api.dll Access Violation
Cannot find openvr_api.dll
Cannot register openvr_api.dll
To fix errors related with .DLL file you need to download openvr_api.dll and copy it to the installation folder of the application or game, or copy it into the Windows system folder and it should fix the error. If you don’t know how to install this file, please read our tutorial about How to install DLL files.
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You can read more information about openvr_api.dll on WikiDll.com
Witcher 3: The Wild Hunt was giving me .DLL is missing error. After downloading it from your website the problem was solved! Thank you.