Do not use Vortex’s "download with manager" for old files. Instead:
“Got something for your eyes only,” the courier said, shoving a rolled note into Fenrir’s gauntlet. The spider landed between them. Neither blinked. The courier tipped his hat and vanished. Unofficial Skyrim Special Edition Patch 1.5.97
The patch addresses a massive range of issues that the developers never officially resolved: Do not use Vortex’s "download with manager" for old files