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When installing or running oCam, you may see an error message like the one below:
"Access violation at address XXXXX in module 'oCamXXXX.exe'. Write of address 00401000"
This error usually occurs when an anti-cheat program such as GameGuard is running. GameGuard uses system resources exclusively to protect the game, and this can interfere with the installation or execution of oCam. To resolve this issue, follow the steps below:
1. Completely close the game that is currently running. When the game closes, GameGuard will also close.
2. To make sure both the game and GameGuard have fully closed, open Task Manager (Ctrl + Shift + Esc) and check whether any related processes, such as GameGuard processes, are still running. If any remain, end those processes manually.
3. After GameGuard has closed, try installing or running oCam again.
By following the steps above, you can resolve the conflict caused by GameGuard and install or run oCam normally. If the problem continues, restart your computer and try installing oCam again without launching the game.

Clicking the Capture button on the main screen of oCam immediately captures the screen within the recording area you have set. This feature is very useful when you want to save a precise snapshot of a specific part of the screen. Through oCam's intuitive interface, users can freely adjust the capture area in advance and take screenshots exactly as needed by selecting the full screen, a specific window, or a custom area. This flexibility is especially useful for document work, preparing presentation materials, or for IT professionals who need to record specific UI elements.

Once the capture is complete, oCam saves the image in PNG format by default, providing a sharp, high-quality result. PNG format supports lossless compression, so you can keep clear screenshots without any loss of image quality, and it is compatible with most image editing software and platforms. In the oCam settings menu, users can also change the save format to other types such as JPG or BMP, allowing them to balance file size and quality according to project requirements.
To check the captured image, click the "Open" button on the main screen of oCam. When you click this button, Windows Explorer opens automatically and shows the most recently captured file already selected. This feature helps users review and use captured images right away. Since it takes you directly to the folder where the file is saved through Windows Explorer, file management also becomes much easier.
oCam's capture feature is simple yet powerful, making it useful in a wide range of situations from everyday tasks to professional environments. For example, software developers can use it to record bugs or share UI designs, while instructors can use it to prepare teaching materials. In addition, through the oCam settings menu, you can change the save location to a custom folder or set file naming rules when capturing for more organized file management. In this way, oCam provides high-quality screenshots with simple controls and greatly improves work efficiency.