mmcss.dll
Multimedia Class Scheduler Service by Microsoft
This is a Windows system installed file with Windows File Protection (WFP) enabled.
Overview
There are 16 versions of mmcss.dll in the wild, the latest version being 6.3.9600.16384 (winblue_rtm.130821-1623). The average file size is about 59.75 KB. The executable is a .NET framework assembly utilizing the CLR.
What is mmcss.dll?
The Multimedia Class Scheduler service (MMCSS) enables multimedia applications to ensure that their time-sensitive processing receives prioritized access to CPU resources. This service enables multimedia applications to utilize as much of the CPU as possible without denying CPU resources to lower-priority applications.
About mmcss.dll (from Microsoft)
“Multimedia Class Scheduler Service (MMCSS) is a Windows service that boosts the CPU as well as I/O priority of a thread. It allows an application to get prioritized access to CPU for time-sensitive pr”
 Details
|
| File name: | mmcss.dll |
| Publisher: | Microsoft Corporation |
| Product name: | Multimedia Class Scheduler Service |
| Description: | Microsoft® Windows® Operating System |
| Typical file path: | C:\Windows\System32\mmcss.dll |
| Original name: | mmcss.dll.mui |
Behaviors
(Note, the behaviors below are for all versions of mmcss.dll, select a unique version for details.)
Hosted services
Runs as a shared service under the Windows svcHost
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
- Shared name is 'MMCSS'
All file variations of mmcss.dll
Distribution by Windows OS
| OS version | distribution |
| Windows 7 Home Premium |
31.75% |
|
| Windows 7 Ultimate |
23.50% |
|
| Windows 7 Professional |
7.50% |
|
| Windows Vista Home Premium |
6.75% |
|
| Windows 8.1 |
5.50% |
|
| Windows 8 Pro |
5.50% |
|
| Windows 8 |
5.25% |
|
| Windows 8.1 Pro |
2.25% |
|
| Windows 7 Home Basic |
2.25% |
|
| Windows Vista Home Basic |
1.50% |
|
| Windows 8 Single Language |
1.25% |
|
| Windows 8 Pro with Media Center |
1.00% |
|
| Windows Vista Ultimate |
1.00% |
|
| Windows 8.1 Pro with Media Center |
0.75% |
|
| Windows 7 Enterprise |
0.75% |
|
| Windows Seven Black Edition |
0.50% |
|
| Windows 8.1 Single Language |
0.50% |
|
| Windows Vista Business |
0.50% |
|
| Windows 8 Enterprise |
0.50% |
|
| Windows 8 Enterprise N |
0.25% |
|
| Windows Developer Preview |
0.25% |
|
| 25 other Windows OS version |
Distribution by country
United States installs about 37.78% of Multimedia Class Scheduler Service.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Dell |
17.77% |
|
| Hewlett-Packard |
16.45% |
|
| ASUS |
15.50% |
|
| Acer |
11.53% |
|
| Toshiba |
9.83% |
|
| Lenovo |
9.07% |
|
| Sony |
6.05% |
|
| Intel |
2.65% |
|
| GIGABYTE |
2.27% |
|
| MSI |
1.89% |
|
| Alienware |
1.51% |
|
| Samsung |
1.51% |
|
| Medion |
1.13% |
|
| Gateway |
0.76% |
|
| American Megatrends |
0.57% |
|
| Compaq |
0.38% |
|
| NEC |
0.38% |
|
| Apple |
0.38% |
|
| Sahara |
0.19% |
|
| Packard Bell |
0.19% |
|
