Windows 7 nvport.sys Error in Event Viewer. file is not found in the folder.

It seems like you are facing an issue with a missing .sys file related to nVidia's PureVideo Decoder on your Windows 7 Pro x64 system. Based on the information provided, it appears that the specific file you are missing is related to the PureVideo Decoder, and you uninstalled it to address a different issue (thepfc.sys errors). Here are some steps you can consider to address this issue: 1. Determining the Need for nVidia's PureVideo Decoder: - In most cases, modern operating systems like Windows 7 have built-in support for decoding MPEG2/4 videos without the need for additional third-party software like PureVideo Decoder. 2. Finding the Missing .sys File: - If you believe that the missing driver file is related to nVidia's PureVideo Decoder, you can try to locate the file online or on another system where the software is still installed. Ensure you download it from a reputable source to avoid any security risks. 3. Cleaning Up Registry Entries: - If you have uninstalled the software but there are leftover registry entries causing issues, you can use tools like CCleaner to clean up the registry. Be cautious when modifying the registry as changes can impact system stability. 4. Resolving the Event Log Error: - The error message related to the nvport driver failing to load can be addressed by checking for any remnants of the nVidia PureVideo Decoder software in the system configuration or registry. Removing any references to this driver might resolve this specific error. 5. Checking for System Integrity: - Run a system file check to ensure that Windows system files are intact and not corrupted. To do this, open a Command Prompt as an administrator and run the command: sfc /scannow. 6. Updating Drivers: - Ensure that your graphics drivers are up to date. You can download the latest drivers from the nVidia website to prevent any driver-related issues. 7. Further Troubleshooting: - If the issue persists, you may need to perform a thorough system check or seek assistance from nVidia support or a Windows expert to diagnose and resolve the problem. Before proceeding with any changes, it's always recommended to back up your important data and create a system restore point to revert back if needed. If you need further assistance or detailed steps on any of these suggestions, feel free to ask!