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Change the behavior of Prefetcher.

Prefetch is used to help speed up loading of programs but it may conversely affect performance of your system by having portions of a program you do not use loaded in your system's memory. This is helpful when you want to alter Prefetch or disable Prefetch completely.

Tweak for : Windows Vista
Prefetch is a utility that loads commonly used applications to RAM when the system starts. Windows retains a copy of a portion of a program in the “Prefetch” folder even if you use it only once. The “Prefetch” folder is used to help speed up the loading of programs. Windows do load programs it thinks you need before you ask for them yourself. This may affect performance of your system by having portions of a program you do not use loaded in your system's memory. Therefore, it is suggested that you periodically empty the “Prefetch” folder.

Now, you can change the way that Prefetch behaves by making a change in the registry. This is helpful when you want to alter Prefetch or disable Prefetch completely.

Prefetch_CodeBehavior
0Disable
1Application Launch Prefetch
2Boot Prefetch
3Prefetch Everything

For this, go to Start > Run menu, enter “regedit” and navigate to the registry path listed below. Now, right-click and modify the DWORD value “EnablePrefetcher”, in the right panel, to the value suitable value given above. However, if you want to get the default value back, change the value data to “2”.

The changes take effect after a restart or logoff.

Apply registry settings according below given steps of screenshots with related changes.

First, click the 'Start' button, and select 'Run'. In the resulting dialog box, type 'regedit'.

Next, go to [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters\] and right click on the DWORD value 'EnablePrefetcher' and select 'Modify'.

Finally set a user defined value like "1" to alter the behavior of Prefetcher and click 'OK'.

Disable “User Account Control” feature.

Category : System > Performance Settings

User Account Control (UAC) is a new security component in Windows Vista. But, with this setting you can disable the prompt from regularly appearing on your screen.

Disable Security Center notifications.

Category : System > Performance Settings

This tweak can disable the Security Center notifications in the system tray.

Remove Security Center icon from the system tray.

Category : System > Performance Settings

This tweak can remove the Security Center icon from the system tray.

Turn off faster boot and resume time feature.

Category : System > Performance Settings

This tweak makes the system not use the non-volatile (NV) cache to optimize boot and resume.

Turn off hard disk solid state mode.

Category : System > Performance Settings

This tweak can stop writing files frequently on NV cache.

 
 
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