# Annotate PDFs not working

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Hi,

I'm trying to use EN for Windows 5.6.4.4632 to annotate a PDF.

After annotation (just a few highlighter marks) the PDF shows as blank and cannot be viewed, even in a standalone viewer (Acrobat X).

Pretty annoying - cost me 15 minutes, I printed the page I was interested in and used a highlighter pen and scanned it back in! Bit dumb.

Please let me know of a resolution.

Thanks!

• Level 5*

There's a newer version of Evernote out - have you updated?  Did it fix the issue?

@AndysDisplayName - Would you mind private messaging me a copy of the PDF so we can look at why it may be getting corrupted?

Thanks,

Lester