You can try 2 things.. make sure you run the program in Administrator mode and:
1 - Run the program in XP Compatibility mode and try to jailbreak again.
2 - After loading redsn0w, open up Task Manager, right click on redsn0w.exe in the process tab, go to Set Affinity and make sure only CPU 1 is checked. Then proceed with the jailbreak.
1 - Run the program in XP Compatibility mode and try to jailbreak again.
2 - After loading redsn0w, open up Task Manager, right click on redsn0w.exe in the process tab, go to Set Affinity and make sure only CPU 1 is checked. Then proceed with the jailbreak.