Perfectdisk Stops Prefetch - Greg Hayes?

I'm a little confused by your post. XP has never had a prefetch cleaning function. This has always had to be done by the user. If yours cleans this out on a 3 day cycle then it's because of a third part software not XP. There is no need to clean the prefet
ch that often unless you are constantly adding and removing programs. I had PD and found it cumbersome and awkward. I now use Diskeeper Version 8.0.478.0 This is different though. This along with Perfect disk are defragmenting utilities so if you are reffe
ring to the boot optimization routine which XP resets every 3 days (if you have it configured that way) then this is different from the prefetch routine or file. You can clean out the prefetch by going start\run and type in prefetch and then hit ctrl-A to
highlight all the shortcuts then click delete to clean them out and start fresh. Good Luck {:~)

I'm a little confused by your post. XP has never had a prefetch cleaning function. This has always had to be done by the user. If yours cleans this out on a 3 day cycle then it's because of a third part software not XP. There is no need to clean the prefet
ch that often unless you are constantly adding and removing programs. I had PD and found it cumbersome and awkward. I now use Diskeeper Version 8.0.478.0 This is different though. This along with Perfect disk are defragmenting utilities so if you are reffe
ring to the boot optimization routine which XP resets every 3 days (if you have it configured that way) then this is different from the prefetch routine or file. You can clean out the prefetch by going start\run and type in prefetch and then hit ctrl-A to
highlight all the shortcuts then click delete to clean them out and start fresh. Good Luck {:~)

Quaoar wrote:

I believe there is a disconnect he PerfectDisk only optimizes the
layout.ini file.

No, PD optimizes the actual files listed in the layout.ini file, but not
according to their loading patterns within the PF files.

Windows does not manage Prefetch except to defrag
layout.ini every three days.

No, Windows manages the layout.ini file, runs a partial defrag of the
files listed in layout.ini according to the prefetch folder files in
order to lay them out for faster loading times (similar to 98's
alignment process), and also deletes older and/or obsolete PF files.

Normally Windows XP manages the prefetch folder all automatically. You
never need to delete any files in that folder as any files not used in
the last 3-4 days is automatically removed. The advice some people offer
to clean out the prefetch folder is unnecessary.

Only if there is a setting change does XP alter the handling of the
prefetch files.

The buildup of files in Prefetch is
managed by neither Windows or PerfectDisk: managing Prefetch has always
required a manual delete of the files or the use of a Prefetch manager.

No, Windows manages the prefetch files completely on its own. No special
manager is required.

Thanks for trying to help, but in the last few weeks, I've read just
about everything there is on the net about prefetching. I know quite
well how it's supposed to work, what process is called, by what API, and
how often. In fact, it works just fine in XP alone until I install
PerfectDisk, and then it screws up.

I just can't find what's being changed by PerfectDisk, and I'm hoping
someone knows what it is.

Quaoar wrote:

I believe there is a disconnect he PerfectDisk only optimizes the
layout.ini file.

No, PD optimizes the actual files listed in the layout.ini file, but not
according to their loading patterns within the PF files.

Windows does not manage Prefetch except to defrag
layout.ini every three days.

No, Windows manages the layout.ini file, runs a partial defrag of the
files listed in layout.ini according to the prefetch folder files in
order to lay them out for faster loading times (similar to 98's
alignment process), and also deletes older and/or obsolete PF files.

Normally Windows XP manages the prefetch folder all automatically. You
never need to delete any files in that folder as any files not used in
the last 3-4 days is automatically removed. The advice some people offer
to clean out the prefetch folder is unnecessary.

Only if there is a setting change does XP alter the handling of the
prefetch files.

The buildup of files in Prefetch is
managed by neither Windows or PerfectDisk: managing Prefetch has always
required a manual delete of the files or the use of a Prefetch manager.

No, Windows manages the prefetch files completely on its own. No special
manager is required.

Thanks for trying to help, but in the last few weeks, I've read just
about everything there is on the net about prefetching. I know quite
well how it's supposed to work, what process is called, by what API, and
how often. In fact, it works just fine in XP alone until I install
PerfectDisk, and then it screws up.

I just can't find what's being changed by PerfectDisk, and I'm hoping
someone knows what it is.

The Unknown P wrote:

I'm a little confused by your post. XP has never had a prefetch
cleaning function. This has always had to be done by the user. If yours
cleans this out on a 3 day cycle then it's because of a third part
software not XP.

Sorry, but you apparently have no basic understanding of how XP
prefetching works.

I have no management utility. In fact, I have nothing extra installed at
all, other than SP1 and several apps for email, news, antivirus, etc.

By default, XP cleans up the prefetch folder and does a partial defrag
of the drive to optimize the layout of the files listed for quicker
access. This is part of XP and has been since day one.

The Unknown P wrote:

I'm a little confused by your post. XP has never had a prefetch
cleaning function. This has always had to be done by the user. If yours
cleans this out on a 3 day cycle then it's because of a third part
software not XP.

Sorry, but you apparently have no basic understanding of how XP
prefetching works.

I have no management utility. In fact, I have nothing extra installed at
all, other than SP1 and several apps for email, news, antivirus, etc.

By default, XP cleans up the prefetch folder and does a partial defrag
of the drive to optimize the layout of the files listed for quicker
access. This is part of XP and has been since day one.

Richard Urban wrote:

I have been using PerfectDisk for about a year now. My prefetch folder is
maintained as it should be. I know this is not much help, but..........

What settings are you using for managing the files?

Richard Urban wrote:

I have been using PerfectDisk for about a year now. My prefetch folder is
maintained as it should be. I know this is not much help, but..........

What settings are you using for managing the files?

Stand alone computer - let perfect disk manage all files

--
Regards:

Richard Urban

aka Crusty (-: Old B@stard :-)

"Bill" wrote in message ...
Richard Urban wrote:

I have been using PerfectDisk for about a year now. My prefetch folder is
maintained as it should be. I know this is not much help, but..........

What settings are you using for managing the files?

Stand alone computer - let perfect disk manage all files

--
Regards:

Richard Urban

aka Crusty (-: Old B@stard :-)

"Bill" wrote in message ...
Richard Urban wrote:

I have been using PerfectDisk for about a year now. My prefetch folder is
maintained as it should be. I know this is not much help, but..........

What settings are you using for managing the files?

Sorry, but you apparently have no basic understanding of how XP
prefetching works.

I have no management utility. In fact, I have nothing extra installed at
all, other than SP1 and several apps for email, news, antivirus, etc.

By default, XP cleans up the prefetch folder and does a partial defrag
of the drive to optimize the layout of the files listed for quicker
access. This is part of XP and has been since day one.

Bill, can you reveal your sources for this information? So far the others
seem to think you have it wrong. As someone who has manually deleted
prefetch files before, I'm interested.

Sorry, but you apparently have no basic understanding of how XP
prefetching works.

I have no management utility. In fact, I have nothing extra installed at
all, other than SP1 and several apps for email, news, antivirus, etc.

By default, XP cleans up the prefetch folder and does a partial defrag
of the drive to optimize the layout of the files listed for quicker
access. This is part of XP and has been since day one.

Bill, can you reveal your sources for this information? So far the others
seem to think you have it wrong. As someone who has manually deleted
prefetch files before, I'm interested.

Bill wrote:
Quaoar wrote:

I believe there is a disconnect he PerfectDisk only optimizes the
layout.ini file.

No, PD optimizes the actual files listed in the layout.ini file, but
not according to their loading patterns within the PF files.

Windows does not manage Prefetch except to defrag
layout.ini every three days.

No, Windows manages the layout.ini file, runs a partial defrag of the
files listed in layout.ini according to the prefetch folder files in
order to lay them out for faster loading times (similar to 98's
alignment process), and also deletes older and/or obsolete PF files.

Normally Windows XP manages the prefetch folder all automatically. You
never need to delete any files in that folder as any files not used in
the last 3-4 days is automatically removed. The advice some people
offer to clean out the prefetch folder is unnecessary.

Only if there is a setting change does XP alter the handling of the
prefetch files.

The buildup of files in Prefetch is
managed by neither Windows or PerfectDisk: managing Prefetch has
always required a manual delete of the files or the use of a
Prefetch manager.

No, Windows manages the prefetch files completely on its own. No
special manager is required.

Thanks for trying to help, but in the last few weeks, I've read just
about everything there is on the net about prefetching. I know quite
well how it's supposed to work, what process is called, by what API,
and how often. In fact, it works just fine in XP alone until I install
PerfectDisk, and then it screws up.

I just can't find what's being changed by PerfectDisk, and I'm hoping
someone knows what it is.

You continually respond "no" when there is no validity to your
contention of what the OS performs on Prefetch.

Windows XP Performance
http://www.microsoft.com/technet/pro...te/xpperf.mspx
Defragmentation
I/O performance is strongly influenced by the layout of files on disk.
Files and directories that are heavily fragmented or dispersed across
the disk will hurt performance. While Windows XP will automatically
reposition some files to improve performance, this will generally be
done infrequently and will usually include only a small fraction of the
files on the disk. Therefore, it is a good idea to defragment the disk
following an installation.

Once every three days, by default, Windows XP will perform a partial
defragmentation and adjust the layout of the disk based upon current
use. The files to be moved are written in the file Layout.ini (found in
the Prefetch directory under the System Root directory).

Q

Strafe wrote:
Sorry, but you apparently have no basic understanding of how XP
prefetching works.

I have no management utility. In fact, I have nothing extra
installed at all, other than SP1 and several apps for email, news,
antivirus, etc.

By default, XP cleans up the prefetch folder and does a partial
defrag of the drive to optimize the layout of the files listed for
quicker access. This is part of XP and has been since day one.

Bill, can you reveal your sources for this information? So far the
others seem to think you have it wrong. As someone who has manually
deleted prefetch files before, I'm interested.

Bill has been supplied the information on prefetch provided by both
Microsoft and Raxco and remains insistent that XP cleans up the prefetch
files every three days when all available information states otherwise.
Frankly, he apparently is a bit reluctant to do his own research but is
willing to crosspost his denial of the facts presented.
Q

Bill wrote:
Quaoar wrote:

I believe there is a disconnect he PerfectDisk only optimizes the
layout.ini file.

No, PD optimizes the actual files listed in the layout.ini file, but
not according to their loading patterns within the PF files.

Windows does not manage Prefetch except to defrag
layout.ini every three days.

No, Windows manages the layout.ini file, runs a partial defrag of the
files listed in layout.ini according to the prefetch folder files in
order to lay them out for faster loading times (similar to 98's
alignment process), and also deletes older and/or obsolete PF files.

Normally Windows XP manages the prefetch folder all automatically. You
never need to delete any files in that folder as any files not used in
the last 3-4 days is automatically removed. The advice some people
offer to clean out the prefetch folder is unnecessary.

Only if there is a setting change does XP alter the handling of the
prefetch files.

The buildup of files in Prefetch is
managed by neither Windows or PerfectDisk: managing Prefetch has
always required a manual delete of the files or the use of a
Prefetch manager.

No, Windows manages the prefetch files completely on its own. No
special manager is required.

Thanks for trying to help, but in the last few weeks, I've read just
about everything there is on the net about prefetching. I know quite
well how it's supposed to work, what process is called, by what API,
and how often. In fact, it works just fine in XP alone until I install
PerfectDisk, and then it screws up.

I just can't find what's being changed by PerfectDisk, and I'm hoping
someone knows what it is.

You continually respond "no" when there is no validity to your
contention of what the OS performs on Prefetch.

Windows XP Performance
http://www.microsoft.com/technet/pro...te/xpperf.mspx
Defragmentation
I/O performance is strongly influenced by the layout of files on disk.
Files and directories that are heavily fragmented or dispersed across
the disk will hurt performance. While Windows XP will automatically
reposition some files to improve performance, this will generally be
done infrequently and will usually include only a small fraction of the
files on the disk. Therefore, it is a good idea to defragment the disk
following an installation.

Once every three days, by default, Windows XP will perform a partial
defragmentation and adjust the layout of the disk based upon current
use. The files to be moved are written in the file Layout.ini (found in
the Prefetch directory under the System Root directory).

Q