partition sizing in linux

If I understood this thread correctly he's trying to modify the partition where the Windows is installed, I think it was obvious from the beginning that doing this would screw up his Windows installation.

Or can this be done safely without screwing up the Windows installation?

As you can see on this thread, I am very interested to know the correct answer to this: http://www.computerhope.com/forum/index.php/topic,94425.0.html

If I understood this thread correctly he's trying to modify the partition where the Windows is installed,

You didn't understand this thread correctly.

Fair enough, how about an answer to my question.

Fair enough, how about an answer to my question.

1. It'll be in your thread
2. Leave attitude at the door.

Some things to consider. 
The drive should not have errors before you try to re size  it.
The Partition you want to change should have been defragmented first.
Do not ever use any partition manager with  Windows 7 or Vista. Instead, do the partition re size inside of Vista or Win 7 to prevent boot problems.

Some things to consider. 
The drive should not have errors before you try to re size  it.
The Partition you want to change should have been defragmented first.
Do not ever use any partition manager with  Windows 7 or Vista. Instead, do the partition re size inside of Vista or Win 7 to prevent boot problems.

Thank you.

Do not ever use any partition manager with  Windows 7 or Vista. Instead, do the partition re size inside of Vista or Win 7 to prevent boot problems.

I have to disagree.  This very issue was discussed in http://www.computerhope.com/forum/index.php/topic,84852.0.html.  However, I would first try the Shrink Volume feature in Windows 7 or Vista.

There is definitely a problem with this latest distribution.  I think it has to do with the size of the hard drive.  No problem installing to notebook with 8GB hard drive.  Desktop with 80GB hard drive stops at Install Step #4 and is unable to see existing partition, even if there is only one.  Tried same hard drive in 2 computers, same result.  Attempting to use gpart creates partitions but install goes no further.

I had given up until I found this:  http://ubuntuforums.org/showthread.php?t=1305858

V9.04 does not have this issue and Prepare Disk Space is ready for remainder of install.  It did lockup my PS2 keyboard, so had to use USB keyboard (very strange!).

THIS IS A BIG BUG!!!

UPDATE:  I can confirm that installing 9.04 first did exactly what it was supposed to.  I then upgraded online to 9.10