Support for Acrobat 7.x officially ended on December 28, 2009. It no longer receives security patches or technical updates.
Outdated PDF software is a primary target for malware. Using software that hasn't been patched in over a decade exposes your computer to significant risks. Official Ways to Access Acrobat Today Support for Acrobat 7
The PDF creation feature (PostScript driver) used in version 7.0 does not work with modern Windows print spooling systems. Support for Acrobat 7