I had “”failed to open service key” issue also. By the way, after u delete all the registry on x64, u should reboot first, then install SPTD. Took a while to find this. I also deleted the same entry in ControlSet and ControlSet Right-Click the file and select “Edit” It will open in notepad or wordpad. Left by Ryan Pfister on Oct 04, 9:

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As I’m sure the admins are aware, this link is dead: I have tried disable sptd and did a reboot and it’s still the same. dixable

It’s enough to just run the installation with administrator rights. This also allows user to avoid reboots in most cases for new installations if same SPTD version is already present on his system.

Solution for SPTD problem with Daemon Tools, Alcohol 120 or PerfectDisk V8

It just says october 18th. Running SPTD installation as administrator didn’t help in my case. Thanks for the tips Left by Michael Schilling on Aug 31, The steps disabl described above. Complete the first registry actions noted.


Left by Jacob on Apr 02, 7: Left by MST on Feb 05, sptc You are commenting using your Facebook account. Create a free website or blog at WordPress. Left by Joe on Sep 29, 3: Bypassing the “failed to open service key” error is actually easies than further modifying the registry.

Re-Installing Daemon Tools Lite (and SPTD) on Windows 7

Current Temperatures Take II. Does SPTD have a silent option on the command line? I have tried the reinstall disk but spte know much about the recovery to fix the problem. What should I do pls answer.

Sorry, your blog cannot share posts by email. I believe it is Daemon tools. I have downloaded the Ultimate Boot program and tried this but nothing happened, I still get the blue screen and the blank screen.

Thanks for this walkthrough. Disable antivirus during this installation and then run again software application setup.

This will abort loading of SPTD layer.

Left by Adel on Jun 26, 8: If you face some issues with SPTD driver, you can try the solutions below. Frequently Asked Questions F.


DuplexSecure – FAQ

Thanks a lot, after going trough many forums and hours of headache, your recommendation, followed step by step did the trick and I have the DT back. I ran into all the issues described but your instruction guided me through.

If you are unable to delete the registry, do change the permission on each sub folder under each folder. Left by zzzr on Jan 12, 5: I’ve checked everywhere until I stumbled across you. I still can’t change the permision. Disabpe you cannot delete a folder in the registry, you have to click on the owner tab and give your user name ownership.