Optimize the Windows Server Service (Windows NT/2000/XP)
This setting can be used to manually optimize the Windows server functionality. By selecting the appropriate value you can optimize the service for memory usage, network throughput or a balance of both.

Change the Critical Update Notification Delay (Windows 95/98/Me)
When Windows detects that a new critical update is available it gives you the option to update now or to be reminded again in 1 day. This tweak allows you to change the default 1 day reminder period.

Disable SSDP Discovery in Windows Messenger (Windows 2000/XP)
Windows Messenger uses the Simple Service Discovery Protocol (SSDP) to attempt to locate upstream Internet gateways on UDP port 1900. This tweak allows you to disable Universal Plug and Play Network Address Translation discovery to reduce bandwidth and increase security.

Block Messenger Service SPAM (Windows NT/2000/XP)
The Messenger service is normally used to transmit net send and Alerter service messages between clients and servers. Recently it has been employed by marketers for sending unsolicited advertising popups (SPAM) over the Internet. This tweak allows you to disable this service.

Restrict Interactive Services (Windows 2000/XP)
Windows services normally have the option of interacting with the desktop, to display information and accept input. For security reasons this tweak allows you to restrict service interactivity.

Disable Universal Plug and Play Services (Windows XP)
Windows XP includes support for Universal Plug and Play (UnPnP) which allows UnPnP devices to be connected over a network. There are currently limited UnPnP devices available and due to a recent security flaw it may be advisable to disable these services.

Windows Time Synchronization Settings (Windows 2000/XP)
These parameters allow you to control the synchronization settings of the W32Time service. This service ensures that computer date and time settings are correctly synchronized throughout an organization.

Enable NTP Time Server (Windows 2000/XP)
This setting is used to enable the local machine to act as a Network Time Protocol (NTP) server. When enabled other machines can synchronise their clocks with this machine.

End Tasks Without Restarting Windows (Windows 3.1/95/98)
This setting specifies whether you can press CTRL+ALT+DEL to quit applications that cause an unrecoverable errors in 386 enhanced mode, without restarting Windows.

Disable Distributed Component Object Model (DCOM) (All Windows)
Distributed Component Object Model, or DCOM, provides a method for distributed network applications to communicate with one another. This setting allow you to disable support for DCOM.

Modify the Internet Time Synchronization Schedule (Windows XP)
This setting is used to modify the number of seconds to wait between attempts to synchronize the system clock to an accurate time source on the Internet.

Modify the Internet Time Synchronization Servers (Windows XP)
Windows XP includes a new feature that allows it to synchronize the system clock from atomic clocks available on the Internet. This setting lets you add new servers and change the default server used.

Changing the Startup Mode of a Service (Windows NT/2000)
All services have a setting controlling how they are started either manually, automatically or disabled. This setting can be changed through the registry.

Removing Windows Devices and Services (Windows NT/2000)
Sometimes it is possible to get orphaned services remaining in the registry. These services can be remove be modifying this key.