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Windows 10 will not open PDF or JPEG files
Hi there
I upgraded to W10 this morning, and since then, although everything seems to be OK, it will not open any PDF or JPEG files. I get an error message for the JPEG something like, " illegal operation attempted on a registry key that has been marked for deletion"
For the PDF files it says, "invalid value for registry".
As all of my work files are in PDF format, this is a headache
many thanks
Graham