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I have a namespace extension that I "accidentally" removed by right-clicking on it in Windows Explorer and then deleting it (Windows 7). The prompt I was given was that I could restore it in Control Panel, however I've searched/googled but I've yet to find where I can restore the extension. Help ? :)

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What extension was it? What did it do? –  Karan May 8 '13 at 13:21
    
It was the "Explorer Data Provider" example: msdn.microsoft.com/en-us/library/windows/desktop/… –  Robert May 8 '13 at 19:58
    
1) Can't you build the sample code provided? Even the Express Editions of VB/VC (whichever's needed here) should suffice. 2) If an Explorer shell extension is in use, normally you shouldn't even be allowed to delete the DLL until you un-register it. Don't know how you managed it, unless perhaps you used some Unlocker type utility. 3) If you simply deleted a DLL manually registered using regsvr32, I fail to see how Explorer would tell you that it can be restored via Control Panel. I've never seen this happen. Would be great if this can be reproduced so a screenshot of the dialog is available. –  Karan May 9 '13 at 11:29
    
For 1)2)3) there are no issues. I know everything there is to know about registering/using extensions with windows explorer (ATL black belt ;) The problem is that if the DLL is registered with the SFGAO_CAN_DELETE flag set (in Attributes), you have the possibility to "Delete" the extension (right-click in explorer). If I do this, the DLL still has all data in the registry set (i.e it has nothing to do with deleting the DLL or unregistering it), and when I do this, I'm told (by explorer) that I can restore the extension in Control Panel. But where in CP eludes me. I'll try fix a screenshot. –  Robert May 13 '13 at 7:31
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