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I downloaded the Celestron Unified Driver Version 5.0.14 from the ASCOM site. When I go into TheSky6 Pro and go to Telescope/Setup and select TeleAPI and go to Settings to select Celestron Telescope, I get the following error message which is labelled "ASCOM Chooser": "Failed to load driver: Cannot create ActiveX component." I have tried this on a Vista and XP computer and both had version 5 installed without ever installing version 4. If I go to a third computer which is XP and had version 4 installed before version 5, I do not have this error. What am I doing wrong?

Larry

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It's possible that this is the result of the additional DCOM setup that TheSky needs. Can you try running the Celestron driver from a different application and see if it works with that.

A workround seems to be to run the Celestron driver through POTH. POTH can connect to TheSky and can also connect to the Celestron driver.

I'd like to get to the bottom of this but I don't have TheSky, if you can let me know how this goes I might be able to see if I can modify the Celestron driver to avoid the problem.

I'd guess that the reason it works if ASCOM 4.1 was installed first is because the DCOM setup done for that is OK and is not overwritten by the 5.0.14 upgrade.

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If I select the same driver in Maxim, I can open the dialog box with no problem. Larry – Larry Phillips Mar 3 at 15:11
If I select POTH in TheSky, I can also successfully select the Celestron driver dialog without error. It is only when I select TeleAPI in TheSky and then try to select the Celestron driver that I get the error message. – Larry Phillips Mar 3 at 15:15

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