IE option-Program-add-on secret

You can enable or disable browser-related plug-ins in Manage Add-ons.
Below are several common explanations:

Audioaudio MP3 moniker class Microsoft Corporation
Microsoft MP3 sound and ActiveX Controls

HTML document Microsoft Corporation
Microsoft HTML document and ActiveX Controls

Microsoft scriptlet component Microsoft Corporation
Microsoft Script structure; ActiveX Controls

RDS. DataSpace Microsoft Corporation
Microsoft's empty RDS data and ActiveX Controls

RealPlayer G2 control (not verified) RealNetworks, Inc.
RealPlayer G2 control (unverified) ActiveX Control

Searchassistantoc Microsoft Corporation
Microsoft seeks OC Control ActiveX Control

Shell Name Space Microsoft Corporation
Microsoft empty display name and ActiveX Control

Shockwave Flash Object micromedia, Inc
Flash objects and ActiveX Controls of micromedia

Wed Anti-Virus protects Browser Extensions

Windows Media Player Microsoft Corporation
Microsoft Windows Media Player and ActiveX Control

Windows Media Player Microsoft Corporation
Microsoft Windows Media Player and ActiveX Control

Wuwebcontrol class Microsoft Windows publisher
Haofang battle platform browser extension