This error can occur as a false alarm, if Avast software is running. When the error appears, press Allow App, and the error disappears and oCam will continue working any problem.

If the pop-up window asking wheter to allow app does not appear

Click the + ALLOW APP button in Menu -> Settings -> Blocked and Allowed Apps and select oCam to add it.

If oCam is added to the list of allowed apps, you will be able to record without any problem.

or, you can turn off Ransomware Shield off instead as follows.

Either way should be fine.

* Check out various tips.

• [HOWTO]oCam main screen configuration and features
• [HOWTO]Record your screen
• [HOWTO]Record only sound
• [HOWTO]Capture screen
• [HOWTO]Resizing the recording area
• [HOWTO]Setting codec-selecting video codec
• [HOWTO]Setting Codec-Selecting Video External Codec (VFW)
• [HOWTO]Setting codec-Setting audio quality of audio codec
• [HOWTO]Record microphone and system sounds
• [HOWTO]Game recording
• [HOWTO]Setting up oCam - Record - General tab
• [HOWTO]Setting up oCam - Record - Game Tab
• [HOWTO]Setting up oCam - Record - Resize
• [HOWTO]Setting up oCam - Sound
• [HOWTO]Setting up oCam - Capture
• [HOWTO]Setting up oCam - Animated GIF
• [HOWTO]Setting up oCam - Hotkeys
• [HOWTO]Setting Up oCam - Effect - Click Effect
• [HOWTO]oCam settings- Effect - Highlight effect
• [HOWTO]oCam settings - Effect - Cursor Size
• [HOWTO]Setting up oCam-Save
• [HOWTO]How to reduce the size of recorded video files during game recording (For NVIDIA codec)
• [HOWTO]Setting the frame rate mode - VFR (Variable frame rate) or CFR (Constant frame rate)
• [HOWTO]Frequently Asked Questions about Variable frame rate (VFR) and Constant frame rate (CFR)
• [HOWTO]How to reset oCam's settings
• [Tips]How to record the microphone and computer sound together during recording (Windows Vista, 7, 8, 10)
• [Tips]How to record sound when using the USB audio interface
• [Tips]Rename files saved when recording, recording, or capturing
• [Tips]Installing oCam in a Different Path
• [Tips]How to record what you hear while recording
• [Tips]Download external codecs
• [Tips]How to improve the recording quality and sound quality of oCam
• [Tips]How to make recorded video recoverable even if app is forcibly terminated during recording
• [Tips]Using the x264vfw External Codec
• [Tips]Lossless recording-using x264vfw
• [Tips]Nox App (Android Player) Solution for the rack that occurs badly when recording a game
• [Tips]To use an external codec - Xvid codec
• [Tips]Adding a watermark
• [Tips]Tips for adjusting to elaborate the recording area window
• [Tips]To move the recording area when you recording
• [Tips]To set the image quality at the time of recording (from high quality to low quality)
• [Tips]In Windows 7 and later, useful tips during microphone recording
• [Tips]Way to record the sound of the microphone and the computer together at the time of recording (of Windows Vista, 7,8)
• [FAQ]g_pDSCapture-> CreateCaptureBuffer (hr = 0x88780064) error appears (Windows XP)
• [FAQ]When you start recording, Error message appears Failed to initialize sound library. Check the Windows Audio service is running.
• [FAQ]If you get an error 'The endpoint device is already in use' at the start of recording
• [FAQ]If sound comes from only one speaker when recording microphone
• [FAQ]If you get an error when installing oCam
• [FAQ]Recording does not start with error message 'Failed to url_fopen'
• [FAQ]Error appears when recording starts 'Failed to av_image_alloc'
• [FAQ]Automatic shutdown after a few seconds after running oCam
• [FAQ]7 Days to die Game can't recognize game recording (AntiCheat related)
• [FAQ]Game bounces immediately after starting Minecraft recording with oCam (Nvidia graphics card)
• [FAQ]The sound becomes loud or torn when playing back the recorded video on the daum pot player
• [FAQ]Workaround for voice sync when editing in Adobe Premiere
• [FAQ]'Failed to get path of 64-bit Common Files directory' Error when installing oCam
• [FAQ]Error while writing video frame (error = -28)
• [FAQ]Please do not install absolutely portable version.
• [FAQ]What is a digital container format and codec?
• [FAQ]Container format and video codecs that are support?
• [FAQ]System is slow at the time of recording.
• [FAQ]Please let me disable the deep screen function when avast vaccine has been installed.
• [FAQ]Can I save to mp3 only the sound of the computer system?
• [FAQ]When you are recording, and how to ensure that does not contain the main window
• [FAQ]WASRecord: pAudioClient->Initialize failed. (hr=0x80070005) Error
• [FAQ]'is dangerous, so Chrome has blocked it.' Google Chrome Not Downloading Files
• [FAQ]Cause: Failed to avio_open (error=-13)