S3cap Service Defaults in Windows 8

Microsoft S3 Emulated Device Cap Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:S3cap
Service name:s3cap
Service type:kernel
Error control:normal
Group:Video
Path:%SystemRoot%\System32\drivers\vms3cap.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\s3cap

Default Behavior

The S3cap service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If S3cap fails to start, the error details are added to Windows 8 error log. When the operating system startup is complete, the user is being notified that the s3cap service hasn't been started.

Restore Default Startup Configuration for S3cap

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_s3cap_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The s3cap service is using the vms3cap.sys file that is located in the %WinDir%\System32\drivers folder. If the file is corrupted or deleted, you can put it back in there.