Simple Computer Tune-up: Speed Up Your PC- P12 ppt

Chapter 4: Performing a Scan 37Specify which type of registry entries you would like Optimize to clean.. Note The registry contains information that Windows continually references during

Chapter 4: Performing a Scan 37

Specify which type of registry entries you would like Optimize to clean

Note

The registry contains information that Windows continually references during operation, such as profiles for each user, the applications installed on the computer and the types of documents that each can create, property sheet settings for folders and application icons, what hardware exists on the system, and the ports that are being used Optimize looks for specific registry keys that can slow the computer’s performance These are typically invalid keys containing information about COM and ActiveX objects These objects are parts of pro-grams, and when you remove the propro-grams, these keys sometimes still exist Optimize safely removes these keys if the COM object no longer exists

Areas of the registry where Optimize looks for the invalid keys are:

• Invalid Class IDs (CLSID)

This is a universally unique identifier (UUID) that identi-fies a COM component Each COM component has its CLSID in the Windows registry so that it can be loaded by other applications

• Invalid Program Identifiers (ProgID)

A programmatic identifier is a registry entry that identifies

a COM component and can be associated with a CLSID

• Invalid Type Libraries (TypeLib)

This identifies a type library file contain standard descrip-tions of data types, modules, and interfaces that can be used to fully expose objects with ActiveX technology

• Invalid Interfaces

This is a group of logically related operations or methods that provides access to a component object

In addition, to help in your determination, you can view the particu-lar entries for each registry type that Optimize is suggesting to clean,

by clicking the Details button

Click Next to continue

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Step 9: Optimize Your PC Performance

Now you will see the Performance screen (see Figure 4-19)

Figure 4-19: Performance screen

Choose which recommended items you would like to optimize Here are some of the entries you may receive and explanations for each:

• DisablePaging

This specifies whether user-mode and kernel-mode drivers and kernel-mode system code can be paged to disk when not in use The computer will perform faster when the hard disk is not used for RAM This loads the OS into the much faster RAM

• ContigFileAllocSize

This is the size of the contiguous space that is used when allocating disk space The less space that needs to be searched for information, the less time the operation will take, and the faster the computer will function

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Chapter 4: Performing a Scan 39

• NtfsDisableLastAccessUpdate

This entry determines whether New Technology File System (NTFS) updates the last-access timestamp on each direc-tory when it lists the directories on an NTFS volume

This optimization speeds up file processing The informa-tion is still available, but it is just not done as the default

• DisableScreenSaver

This turns the system screen saver on or off This is done during the defragmenting process to speed things up Each time the screen saver comes on the process has to shut down the screen saver and start over

• AlwaysUnloadDll

This determines whether Windows caches system DLLs This frees up memory in older systems and can speed up the shut-down process, as well

• LargeSystemCache

This determines whether the system maintains a standard size or a large size file system cache, and influences how often the system writes changed pages to disk The less disk writing there is, the faster the performance

Click Next to continue, then move on to the next chapter, which steps you through the process of the actual optimization

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THE OPTIMIZATION

After completing the PC Pitstop Optimize scan

and configuration, as discussed in Chapter 4, you will now be at the Register Now! screen, as Figure 5-1 shows

Figure 5-1: Register Now! screen

Step 1: Enter License Information

Enter your name, license key, and email address in the appropriate fields, such as shown in Figure 5-2, and click Register

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