Missing software and file associations are the most common cause of .PUB file problems. It is highly recommended that you scan your PC using the Windows File Repair Tool - Registry Reviver. It will analyze your files and determine if there are errors that are causing you to have .PUB file problems.
.PUB file error symptoms can include the inability to open .PUB files, program lock-ups, crashes, affected PC performance, startup and shut down problems, and installation errors.
Fixing the problem can be as easy as a couple of clicks. First download and run the Windows File Repair Tool - Registry Reviver, next click scan to analyze your files, and finally repair the errors found quickly, easily and safely.
A file extension is three or four characters at the end of a filename, such as .DOCX, .PDF or .TXT. File extensions tell you the file type, and which programs can open it. These extensions are used in Microsoft Windows, Mac OS X and Linux Operating Systems.
Visit our File Extension Library to find out more about .PUB files.