When a user tries to open corrupt PDF file then error messages likeâ€œfile is corrupt or damaged,â€ â€œthere was an error opening this document. The root object is missing or invalid,â€ â€œThere was an error opening this document. There was a problem reading this document (14),â€ etc. starts occurring on computer screen. To resolve these error messages and access the data stored in the PDF file, the user needs to fix PDF. Software like repair PDF tool enables users to repair PDF file with full accuracy and in fraction of a minute. N number of PDF files can be concurrently repaired using repair PDF tool. The software quickly scans the listed PDF files, repairs them, and creates repaired PDF file at user-defined location. While repairing the corrupt PDF file, the Fix PDF tool recovers each and every item embedded in the tool like text, hyperlinks, notes, comments, images, cross-references, etc. Moreover, the formatting, structure, and properties of PDFfiles remain same during the repairing process. The repair PDF tool supports all versions of PDF files and can be installed on Windows 7, Vista, XP, 2003, or 2000 operating system to fix PDF file. Whether the PDF file has minor corruption or major corruptions, the fix PDF tool can effectively repair PDF file thus helps you regain the lost data. The tool is also available for free trial, which works similar to the FULL version but displays the recovered data on alternate pages only. You need to purchase the full version of the software to view all recovered data in the PDF file.