It sounds like the file you are trying to read has become corrupted somehow. Or there is something wrong with your Adobe installation. Try reading a different pdf file and see if it works, if it does, then the first file is corrupt. If not, reinstall Adobe.
Adobe reader Is Good
Adobe Reader is software that lets you read PDF files. It is available free from Adobe (see link below). Mac OSX comes with Preview (in the Applications folder) which will do much the same thing as Adobe Reader or you can read PDFs in Safari.
Adobe Reader is used to read PDF files. PDFs are often used for ebooks, manuals, and research papers. There are other programs that can also read these documents, though.
Adobe Reader Updater checks for updates for and installs newer versions of Adobe Reader. Adobe Reader is an application used to read PDF files and ebooks.
Adobe. It is compatible with many types of files including PDFs. It is very simple to use. Editing and viewing PDFs are really easy with its simple interface.
Adobe Reader is a program for the computer. Adobe Reader allows the computer user to open up and read PDF files.
Adobe reader is a computer program, usually available for free off of the internet. Adobe reader helps a person read. pdf documents, and is also able to help people read and sign important documents.
Can I change a "read only" file from Adobe to a word document?
No, Adobe Reader will read PDF files, while Adobe Acrobat can create and edit PDF files. Adobe Reader is just a free PDF reader, but Adobe Acrobat Pro/Stand is much more powerful to deal with PDF files, will help to create, edit and convert PDF.
See the links i am attaching. And of course you need adobe acrobat reader professional so you can edit pdfs. Cheers
To open and read PDF files.