This is the code I wrote:

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If I use the part of code to activate the PPT, 
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then I get error Object doesn't support this property or method (Error 438) and If I do not then I get ActiveX component can't create object or return reference to this object (Error 429) .

Please help...

I am trying to develop this VBA code, so that Excel VBA opens a Powerpoint presentation and replicates 4 template slides a defined number of times (given by another Excel file). Please reread if you couldn't understand. I have awkward English and it's difficult to paraphrase.

Regards!