Install XP and Vista in a partition. The

  
C partition is the outermost circle of the hard disk. It is natural to say that the benefits of system partitioning are not necessary. Install XP and Vista in a partition, you can back up the dual system at the same time, otherwise any system will go wrong, it will affect another system can not start.
I found that XP systems installed in this way are almost free of viruses and can be streaking (because the virus's authors use fool-like programming to ensure that virus files are as small as possible and easy to spread through the Internet. Even if you enter your machine, you can't use it because you can't find the infection path, but you can't be spared by USB.
As for why the two systems can not be installed in the same partition, it is because the three folders of the two systems have the same name: Documents and Settings, Program Files, Windows (2000 is WINNT ), just change the XP system installation directory, such as C:\\WINXP\\.
This way, the three folders become: C:\\WINXP\\Documents and Settings, C:\\WINXP\\Program Files, C:\\WINXP\\Windows. However, the installed system cannot be changed, which means that the XP system CD must be re-created.
The whole process requires the following software:
Disc image editing software UltraISO
System CD test software VMware Workstation or Virtual PC
Disc burning software Nero
XP-Vista Boot menu modification softwareVistaBoot PRO
I sent a post on the Vision Forum how to install XP and Vista in a partition a few days ago. I got the support of the majority of users and pointed out the shortcomings of the post. In fact, I have complicated a very simple post. Now I am going to modify the post. The content is as follows:
Insert a commonly used XP system CD into the CD-ROM drive, open UltraISO, execute "File" → "Open CD ", find these two files:
winnt.sif, HIVESFT.INF, should be in the \\i386 directory, if your CD is not the XP system original CD (such as the system CD made with EasyBoot, this system CD There are color background images and Chinese menu), then you have to find the installer startup folder (about 6-9M, often with BOOT EZBOOT as the folder name).
Based on winnt.sif in this folder, extract these two files and save them. Don't turn off UltraISO, because it's going to be used next.
Open winnt.sif with Notepad and add the following under the [Unattended] column:
TargetPath=\\WINXP\\Windows
ProgramFilesDir = "\\WINXP\\Program Files"
CommonProgramFilesDir = " \\WINXP\\Program Files\\Common", and finally save this.
Open HIVESFT.INF with Notepad, find the line DEFAULT_PROFILES_DIR="%SystemDrive%\\Documents and Settings" and change "%SystemDrive%\\Documents and Settings" to "%SystemDrive%\\WINXP\\Documents and Settings". Then save.
Next, replace the two files that have been changed back. The method is to click the folder where the original file is located in the UltraISO CD directory, perform "Operation", "Add File", find the directory of the modified file, select the file, and overwrite it. Save both files as a disc image.
Then use VMware Workstation (Virtual PC 2007 is also good) to test the CD image, VMware Workstation is a virtual machine, test CD image is to use it to virtualize a machine for a full installation process. It is recommended to delete the floppy drive after creating a new virtual machine, because this thing is quite annoying.
If you have no problem, you can order it. Note that you should never burn this ISO file directly to the CD. You should choose to use the image to disk.
After completion, we can reinstall XP with the system disk we just made. After installation, we found that there is still a Program Files directory under the C disk, which is caused by the low installer (Microsoft system localization). Didn't do it well). It doesn't matter, cut it to C:\\WINXP\\.
Then, click "Tools" → "Folder Options", select "Show file extension, show all hidden files and folders" in "View", do not select "Hide protected system files" , backup the boot file in the C drive,
autoexec.bat
boot.ini
bootfont.bin
config.sys
IO.SYS
MSDOS.SYS
NTDETECT .COM
ntldr
A total of eight. Once there is any problem, start the system with the deep mountain red leaf disc and copy these files back. At least the XP system can get in.
Then install vista (recommended to install with virtual CD-ROM under XP, directly into Vista after installation, do not panic at this time), repeat a step under XP after entering Vista, that is to display the protected system File, showing the file extension. At this time, we found that the original boot.ini file was added with another extension. We removed the read-only attribute and changed it back to the original name. Otherwise, XP could not be started.
Install VistaBoot to modify the boot menu, and finally restart the computer to enter XP.

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