What to Do If Minecraft Crashes as Soon as You Start Recording with oCam (NVIDIA Graphics Card)
In Java-based applications that use CUDA, including oCam, problems may occur when certain NVIDIA drivers are installed. In particular, if NVIDIA driver version 378.49 (or some other versions) is installed, a bug may occur where the app crashes with the error "Stack cookie instrumentation code detected a stack-based buffer overrun" when calling the CUDA initialization function `cuInit`.
This issue is not a bug in oCam itself, but a problem with the NVIDIA driver that affects all applications that use CUDA. Therefore, the same error may occur not only in oCam but also in other CUDA-based Java applications.
To resolve this issue, you need to update the NVIDIA driver to the latest version, 378.66 or later. Follow the steps below to update the driver:
1. Go to the official NVIDIA website (geforce.com/drivers).
2. Select your graphics card model and operating system, then search for the latest driver (version 378.66 or later).
3. Run the downloaded driver installer and proceed with the installation.
4. After the installation is complete, restart your computer and run oCam or another CUDA-based application to check whether the issue has been resolved.
Updating the driver to version 378.66 or later will resolve the CUDA initialization crash issue and allow you to use oCam and other related applications normally. If the problem continues even after installing the latest driver, contact NVIDIA Support or check for the latest version of oCam.
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What to Do If the "Failed to url_fopen" Error Message Appears and Recording Does Not Start
When creating a recording file in oCam, an error may occur if the file cannot be saved to the save path specified by the user. This issue is usually caused by access permissions for the save path or an incorrect path setting. Below is a detailed explanation of how to change the save path to resolve this problem.
To fix the recording file save error, the most effective method is to change oCam's save path to a different location. Please follow the steps below:
1. In the oCam main window, click 'Tools' in the top menu, then select 'Options'.
2. When the Settings window opens, click the 'Save' category in the left menu.
3. In the 'Save' tab, find the 'Save Path' item, check the currently configured path, and change it to a new location.
4. After making the change, click the 'OK' button to save the settings.
By default, it is recommended to set the save path to the Desktop. The Desktop generally has the access permissions needed for all programs to create files, so save errors are less likely to occur. For example, if you set the Desktop path to `C:\Users\[User Name]\Desktop`, in most cases the recording file will be saved without errors.
After changing the save path, restart oCam and try recording again to check whether the problem has been resolved. If the issue continues, it is also a good idea to check whether the selected folder has write permission and whether there is enough disk space.