[Solved] Last Logical Drives Dissapear

Hello Everybody

I've bought this Sragate 500GB (Recognized as 465GB) HDD and moved everyhing into it. Here are my partitions all in NTFS:

Primary (101MB) - NTFS - Created during Win7 setup - I'll delete when I'm ready to install a new OS
Primary (75GB) - NTFS - Win7 is installed here
Primary (25GB) - NTFS - WinXP SP2 is here

Extended (around 365GB) - and I'm having problems inside it
--------First Logical (350GB) - NTFS
--------A remaining size of 15.62GB (15998MB) that may consist of one or some logical drives

I installed my win7 and winxp in the 2nd and 3rd primary and I switch between these two by activaving the appropriate one. when I'm in XP and activate 75GB primart to boot in win7 something strange happens:

Except the 1st logical drive, any other logical drive I have after it dissapears and turns into unpartitioned space. and it seems to be a bug of windows disk management tool or limitation in winxp. the point is that there's no such a problem when I do the same in win7 exactly.

Can anybody give me some advice how to fix this?

There's a danger that my 350GB drive fades away some day with all data in it! I think.

Here's a screenshot of this process:

http://gotsharing.com/images/lastlogica.jpg

thanks in advance

Yuck, start over and create normal partitions.

1) 100MB Windows 7 system reserved partition
2) C: partition for Windows 7
3) D: partition for Windows XP

3 primary partitions, and this should work. If you really really really want, you can create a forth partition, but don't create the jungle you made; its prone to errors and bugs in windows.