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Sumatra PDF Reader forum

Small, fast, free PDF, EPUB, MOBI, CHM, DJVU, CBR, CBZ reader for Windows

Assocaition of Sumatra with .pdf files in Win 7

Hi everybody,

I have problems in associtaing Sumatra with .pdf fiels in Win7. Win 7 denies opening .pdf files when Sumatra is installed as the default program. Probably, this is some kind of security mechanism. Can anybody help me?

Thanks in advance
G from G
G from G on February 8, 2017

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