OK, first run REGBACK and export the software hive as before:
Export SOFTWARE Hive
Please download
RegBak (by
AceLogix Software) from the link below and save it to your
Desktop.
Next, reboot into the Windows Recovery Environment and choose View Advanced Options for System Recovery and Support, then Command Prompt.
Your Windows drive letter may be different in the recovery environment.
In the command prompt window, type
diskpart and then press enter.
Next, type
list vol and then press enter.
This should list all volumes on the computer. You should be able to identify your Windows drive, it is usually the largest and shows boot under info.
Make note of the drive letters, then type
exit and then press enter.
Type the drive letter that may be the Windows drive (for example, C:) and then press enter.
Type
dir windows\system32\config and then press enter.
If the output is a list that includes COMPONENTS, SOFTWARE, SOFTWARE.NEW, SYSTEM, etc. this is the correct drive.
Type
cd windows\system32\config and then press enter.
Type
ren SOFTWARE SOFTWARE.OLD and then press enter.
Type
ren SOFTWARE.NEW SOFTWARE and then press enter.
Type EXIT and then press enter.
Exit the recovery environment. This should restart the machine.
If you encounter a problem let me know right away.