# Troubleshooting ## Failed to start on Windows
If you see the following message or similar mentioning `VCRUNTIME140.dll`, install [**VC redist**](https://aka.ms/vs/17/release/vc_redist.x64.exe) ## Failed to export HEVC If you see an error message like this:
...then: * If you're on Windows or Linux, make sure you're using the latest drivers for your GPU. * If you're using an older GPU, it may not support hardware HEVC encoding, in which case, you should try H.264 instead. * If H.264 also fails, try disable GPU encoding completely. ## Application failed to start If you see an error message like this on Windows:
Please try downloading Gyroflow again. Everything you need is in the ZIP file that you download - you don't need to install any other dependancies manually. ## No space left on device If you see an error message like this:
It means your hard drive doesn't have enough space for `ffmpeg` to render to. Please make some room and try again. ## Doesn't support this pixel format If you see an popup like this:
It means your physical GPU hardware doesn't support the pixel format you're attempting to render to (i.e. normally it means your GPU hardware doesn't support 4:2:2 10-bit). You can click **Render using CPU**, to render using the CPU instead of the GPU to maintain full quality, or you can pick another pixel format. ## Unknown Error Occurred If you see an error message like this:
...then: * If you're on Windows or Linux, make sure you're using the latest drivers for your GPU. * If you're using an older GPU, it may not support hardware HEVC encoding, in which case, you should try H.264 instead. * If H.264 also fails, try disable GPU encoding completely. ## Read Only File System If you see an error message like this:
...and you're on Mac, make sure you install **Gyroflow** in your **Applications** folder and do NOT run it from the downloaded DMG package. Due to macOS sandboxing, Gyroflow isn't allowed to write to inside the package. ## Invalid data found when processing input If you see an error message like this:
...and you're working with RED `R3D` files, try deleting the `MOV` file that Gyroflow created next to the `R3D` file, and try again. ## --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.gyroflow.xyz/app/getting-started/troubleshooting.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.