![Allegro PCB 17.4 is not working despite of other versions were worked well - Allegro X PCB Editor - PCB Design & IC Packaging (Allegro X) - Cadence Community Allegro PCB 17.4 is not working despite of other versions were worked well - Allegro X PCB Editor - PCB Design & IC Packaging (Allegro X) - Cadence Community](https://community.cadence.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/28/2766.pastedimage1602384077701v1.png)
Allegro PCB 17.4 is not working despite of other versions were worked well - Allegro X PCB Editor - PCB Design & IC Packaging (Allegro X) - Cadence Community
![Unable to Install Allegro Physical Viewer 17.4. - PCB Design - PCB Design & IC Packaging (Allegro X) - Cadence Community Unable to Install Allegro Physical Viewer 17.4. - PCB Design - PCB Design & IC Packaging (Allegro X) - Cadence Community](https://community.cadence.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/27/7acaa0df84f509b33ff73b1e7e0a866.png)
Unable to Install Allegro Physical Viewer 17.4. - PCB Design - PCB Design & IC Packaging (Allegro X) - Cadence Community
![Quickly View Schematics, PCBs, and IC Packages - System, PCB, & Package Design - Cadence Blogs - Cadence Community Quickly View Schematics, PCBs, and IC Packages - System, PCB, & Package Design - Cadence Blogs - Cadence Community](https://community.cadence.com/resized-image/__size/640x0/__key/communityserver-blogs-components-weblogfiles/00-00-00-00-14/7268.allegro_5F00_free_5F00_physical_5F00_viewer.png)
Quickly View Schematics, PCBs, and IC Packages - System, PCB, & Package Design - Cadence Blogs - Cadence Community
![Unable to Install Allegro Physical Viewer 17.4. - Allegro X PCB Editor - PCB Design & IC Packaging (Allegro X) - Cadence Community Unable to Install Allegro Physical Viewer 17.4. - Allegro X PCB Editor - PCB Design & IC Packaging (Allegro X) - Cadence Community](https://community.cadence.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/28/8306.error.png)