What to Do If the "WASRecord: pAudioClient->Initialize failed. (hr=0x80070005)" Error Occurs
The "WASRecord: pAudioClient->Initialize failed. (hr=0x80070005)" error can occur when microphone permission has been disabled on Windows 10 or later. This happens because oCam does not have the required permission to access the microphone. Below is a detailed explanation of how to resolve this issue.
For oCam to use the microphone properly, microphone access must be enabled in the Windows Privacy settings. Follow the steps below to check and adjust the setting:

1. Open the Windows Start menu and click 'Settings' (the gear icon).
2. In the Settings window, select 'Privacy'.
3. Click 'Microphone' in the left menu.
4. Check whether the 'Microphone access for this device' option is turned on. If it is turned off, click the switch to turn it on.
5. Check whether 'Allow apps to access your microphone' is turned on. If this setting is disabled, apps such as oCam cannot use the microphone. Make sure it is turned on, then save the setting.
After changing the setting, restart oCam and try recording with the microphone again. If the permission has been granted properly, the "WASRecord: pAudioClient->Initialize failed. (hr=0x80070005)" error is likely to be resolved.
If the problem continues, check the microphone device settings themselves in Control Panel > Sound > Recording tab, or try selecting the microphone input source again in oCam's 'Sound' settings. In addition, updating Windows and oCam to the latest version may also help.
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What to Do If the SecretFolder "Failed to ConnectToFilterDriver" Error Occurs
The SecretFolder program is not installing properly at the moment, so you will need to remove it manually in order to delete it completely. The steps are explained in detail below.
First, press the Windows key and the R key on your keyboard at the same time. A small input window called "Run" will then appear on the screen. Type "regedit" exactly into that window and press Enter to open the Registry Editor. The Registry Editor is a tool that can modify system settings, so please proceed carefully.
Once the Registry Editor is open, go to the following path in the tree on the left:
HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SecretFolder_is1
Find the "SecretFolder_is1" key at this location, right-click it, and select "Delete" to remove the key completely. This path is mainly used on 64-bit systems.
If you cannot find the "SecretFolder_is1" key in the path above, your system may be 32-bit, so please check the following path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SecretFolder_is1
At this location as well, find the "SecretFolder_is1" key, right-click it, and select "Delete" to remove it. This will clean up the registry entries related to SecretFolder.
Once the registry work is complete, you will need to delete the folder related to SecretFolder from the file system. First, open File Explorer and go to the following path:
%programfiles(x86)%\SecretFolder
This is usually the default installation path on a 64-bit system. %programfiles(x86)% typically refers to C:\Program Files (x86), and there should be a folder named "SecretFolder" there. Find that folder, right-click it, and select "Delete" to remove the folder and all files inside it completely.
If you cannot find the "SecretFolder" folder in the path above, your system may be 32-bit, so please check the following path:
%programfiles%\SecretFolder
This path, %programfiles%, usually refers to C:\Program Files. Here as well, find the "SecretFolder" folder, right-click it, and select "Delete" to remove the folder and all of its contents.
Once you complete all of the steps, the registry entries and files related to the SecretFolder program will be completely removed from your system. If you run into any issues during the process or have trouble finding the path, check whether you entered the path correctly or whether you are running with administrator privileges. By following this process, you can manually remove SecretFolder cleanly.