Check One File First
- Confirm that the original file plays and contains the audio or video you expect.
- Try a short clip using MP4 / H.264 or a suitable audio preset.
- If a hardware encoder is unavailable, select software encoding and test again.
- Choose an output folder where your Windows account can save files.
- Note the app version, source format, chosen preset and the exact message shown.
Contact Support
The support address published on the original site is support@cudavideoconverter.com. Avoid sending personal media or sensitive diagnostic information unless requested.
Earlier Site Support Form
The archived form below is provided as a historical reference and does not submit messages.
Read the Original Tutorial & Screenshots
Archived instructions from the earlier application. The interface, device lists and performance claims refer to that historical version, not the current 8.2.0 build.
Please feel free to contact us for technical problems.
This archived contact form is no longer active. Please use the contact options above.
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For more contact details, please go to Contact Us page.