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Stumping gurus everywhere... Preview Pane filetype as text problem


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#1 GHoops

GHoops

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Posted 18 March 2017 - 05:28 PM

My preview pane works for all typical files, .txt, .pdf, .jpg etc...

 

I use a program, and it saves files with the extension .blt

Those files can also be opened in notepad, and are 100% text based.

 

In every PC since windows 7 I have always managed to use PreviewConfig.exe to set the extension viewable in the preview pane.

I have had two previous PC's runningWindows 10, and set up at least 5 others and have been able to see the file contents without much trouble.

Now, I have a new laptop, windows10 pro, and the steps I have always followed in the past are not working.

 

Looking into it further I checked the registry, and here is what I have...

 

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.blt
(Default) = MYPROG
PerceivedType = text
Content Type = text/plain

 

and in...

 

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\MYPROG\ShellEx\{8895b1c6-b41f-4c1c-a562-0d564250836f}
(Default)={1531d583-8375-4d3f-b5fb-d23bbd169f22}

 

the default handler for text files looks good too...

 

I have gone trough

https://msdn.microsoft.com/en-us/library/windows/desktop/cc144144(v=vs.85).aspx

at least 10 times...

 

I tried setting notepad as the default for .blt, and no good...

 

No matter what I try, I simply can not see my files contents in the window preview pane.

 

Any suggestions from the IT Gods ?



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