It is known that V7 Nero Burn Rom Crashing every single time after the Starting of Nero Express.With this guide you can fix the problem permanent.
Go to Start -> Run and put regedit and find the key:
HKEY_CURRENT_USER\Software\ahead\Nero - Burning Rom\BCG\Workspace
Now Right Mouse click on the BCGWorkspace located on Left side of Registry, Scroll Down to Permissions Click Permissions & you will see 2 Windows Doubled.
At the top where it says "Group or User Names" Highlight (one at a Time) & doing it to all of them at the bottom it says "Permissions For Administrators" & to the Right it says "Allow & Deny" Tick all Boxes that are listed under the Deny Tab...
Click on the Apply & OK. Thats all you need for a permanent fix