Windows 7 System Failing To Boot After PartedMagic Used To Shrink C:

I have just run PartedMagic on a new Windows 7 system to shrink C: in order to be able to create an E: (Data) partition. On rebooting, I get the following error message: Windows failed to start.

A recent hardware or software change might be the cause.

To fix the problem:
1. Insert your windows installation disk and restart your computer.
2. Choose your language settings, and click "Next."
3. Click "Repair your computer."

If you do not have this disk, contact your system administrator or computer manufacturer for assistance.

File: Windowssystem32winload.exe
Status: 0xc0000225
Info: The selected entry could not be loaded because the application is missing or corrupt.

As it is a new machine, it was supplied with no system disk and I don't have a Windows 7 Installation Disk to hand. I guess that either the boot sector has been corrupted, the partition table has been corrupted or most likely that the system partition has been moved slightly.

Incidentally, the system is an Acer Aspire 5742 According to PartedMagic, the partitions are now allocated as follows:

unallocated - Size = 1.00 MiB
/dev/sda1 - NTFS - PQSERVICE - Size = 15.00GiB - Used = 12.27GiB - Unused = 2.73 GiB
/dev/sda2 - NTFS - SYSTEM RESERVED - Size = 100 MiB - Used = 33.59 MiB - Unused = 66.41 MiB - boot
unallocated - Size = 7.84 MiB
/dev/sda3 - NTFS - Acer - Size = 488.27 GiB - Used = 27.17 GiB - Unused = 461.11 GiB
/dev/sda4 - unknown - Size = 92.79 GiB

I suspect that the unallocated 7.84 MiB is the cause of the problem and that PartedMagic realigned the "Acer" partition.

I imagine that PQSERVICE contains recovery data of some sort (like Acronis)?