Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
 
Relationships
     
    
        nvapi64.dll
NVIDIA Windows drivers by NVIDIA Corporation (Signed)
| Version: | 8.17.12.6721 | 
| MD5: | cc632095d4f787f3659b996b3eb6d201 | 
| SHA1: | 18a82ef928092b44e13f44e3e325a3ddb9c43071 | 
Overview
nvapi64.dll is loaded as dynamic link library that runs in the context of a process. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by NVIDIA Corporation which was issued by the VeriSign certificate authority (CA).
 Details
Details
| File name: | nvapi64.dll | 
| Publisher: | NVIDIA Corporation | 
| Product name: | NVIDIA Windows drivers | 
| Description: | NVIDIA NVAPI Library, Version 197.39 | 
| Typical file path: | C:\Windows\System32\nvapi64.dll | 
| Original name: | nvapi.dll | 
| File version: | 8.17.12.6721 | 
| Size: | 2.1 MB (2,206,312 bytes) | 
| Certificate | 
| Issued to: | NVIDIA Corporation | 
| Authority (CA): | VeriSign | 
| Expiration date: | Monday, September 1, 2014 | 
| Digital DNA | 
| PE subsystem: | Windows GUI | 
| File packed: | No | 
| Code language: | Microsoft Visual C# / Basic .NET | 
| .NET CLR: | Yes | 
| .NET NGENed: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 32.50% |  | 
| Windows 7 Ultimate | 19.00% |  | 
| Windows 7 Professional | 9.50% |  | 
| Windows 8 Pro | 7.50% |  | 
| Windows 8 | 5.50% |  | 
| Windows 8.1 | 5.00% |  | 
| Windows 8.1 Pro | 4.50% |  | 
| Windows Vista Home Premium | 4.00% |  | 
| Windows 8 Pro with Media Center | 3.50% |  | 
| Windows 7 Home Basic | 2.50% |  | 
| Windows 8.1 Single Language | 1.50% |  | 
| Windows 8 Single Language | 1.50% |  | 
| Windows 8 Enterprise | 1.00% |  | 
| Windows 8.1 Pro with Media Center | 0.50% |  | 
| Windows 8 Enterprise N | 0.50% |  | 
| Windows 7 Enterprise | 0.50% |  | 
| Windows Seven Black Edition | 0.50% |  | 
| Windows 8.1 Pro Preview with Media Center | 0.50% |  | 
 Distribution by country
Distribution by country
United States installs about 35.86% of NVIDIA Windows drivers.
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| ASUS | 19.20% |  | 
| Dell | 14.40% |  | 
| Acer | 14.40% |  | 
| Lenovo | 12.80% |  | 
| Sony | 12.00% |  | 
| Hewlett-Packard | 8.80% |  | 
| Intel | 4.00% |  | 
| GIGABYTE | 3.60% |  | 
| Alienware | 2.80% |  | 
| Toshiba | 2.40% |  | 
| MSI | 1.60% |  | 
| Gateway | 1.60% |  | 
| American Megatrends | 1.20% |  | 
| Samsung | 0.80% |  | 
| Sahara | 0.40% |  |