Save the file to a short path like C:\Downloads\ (not your Desktop or OneDrive folder). Long file paths confuse the old installer.
If you are still stuck after this guide, the official Video Copilot forum has a dedicated "Installer Errors" thread. Post your Windows version, After Effects build, and the exact error code. But 99% of the time, the (Fix B) solves the issue.
Sounds silly, but outdated C++ Redistributables cause the "1603" error. Install the latest Visual C++ Runtimes (All-in-one pack) from Microsoft. Save the file to a short path like
Pro Shaders is only an add-on. You must have Element 3D v2.2 or higher installed and licensed. Go to C:\Program Files\Adobe\Adobe After Effects [Version]\Support Files\Plug-ins\VideoCopilot\ – if you don't see Element.aex , stop here.
Remember: The shaders are not broken; the Windows Installer service is just finicky. By forcing the installer to work (or copying the files manually), you unlock one of the best texture libraries ever made for After Effects. Post your Windows version, After Effects build, and
Do not use Chrome or Edge for large downloads. Use Internet Download Manager (IDM) or Free Download Manager (FDM) . These tools resume broken downloads. Alternatively, use Firefox , as it handles large .exe files better than Chromium browsers.
The installer placed the textures in the wrong user folder due to Windows VirtualStore. Install the latest Visual C++ Runtimes (All-in-one pack)
Now go create something shiny. Keywords integrated naturally: Pro shaders for element 3d windows installer video copilot download fix, After Effects, Element 3D troubleshooting, 1603 error, compatibility mode, texture pack installation.