It seems you are looking for a paper (likely a research paper, technical documentation, or troubleshooting guide) regarding the Pioneer AV Navigator software — specifically its download for Windows, with a fixed top (possibly referring to a persistent top bar, a pinned window interface, or a navigation bar that remains visible).
Instead of hunting a risky combined download: pioneer avnavigator download windows fixed top
For receivers 2016 and newer, consider third-party remotes like Remote your AVR 2013 in the Microsoft Store or AvrPioRemote. Troubleshooting "Fixed Top" and Performance Issues It seems you are looking for a paper
Because the standalone Windows software is difficult to find officially, users typically use these alternatives: Web Browser Access go to Properties -> Compatibility
Compatibility Mode: Right-click the .exe, go to Properties -> Compatibility, and set it to Windows 7.
Do not double-click normally. Instead: