How to Fix Pink Textures in Blender
If a Blender object turns bright pink after you move a project, check the image path first. For one missing map, reopen the file in its Image Texture node. If several files are missing, run Find Missing Files and point it to the texture folder. If the background or lighting stays pink, check the HDRI in World settings.
Relink a texture on one object
Select the pink object and open the Shader Editor in the Shading workspace. If the model uses several materials, choose the one assigned to the pink surface. Find the Image Texture node for the missing image. The node can still display the image name even when the file is unavailable at its old path.
Click the folder icon in the node and open the correct image from disk. If the color map is missing, choose the original color image for that material. Switch to Material Preview or Rendered and check the surface.
Find several missing files at once
Gather the project's images in a dedicated folder. If the scene came in an archive, extract the entire archive first. Open File → External Data → Find Missing Files, navigate to the folder containing the maps, and click Find Missing Files in the browser. Blender will try to relink missing files by name.
Inspect the scene after the search. A renamed map may need to be relinked manually. If the file is missing from disk, recover it from the original asset archive or a backup.
Check the World if the background stays pink
In the Shader Editor, switch from Object to World. If an Environment Texture node feeds Background, use its folder icon to reopen the original HDRI. A missing environment map can tint the lighting and reflections even after the objects' maps have been restored.
Switch to Rendered and inspect the camera view. If you see a checkerboard where the background should be, check Render Properties → Film → Transparent. With transparency enabled, the background is hidden. You can temporarily clear the checkbox to check its color.
Save the textures before moving the scene
Once the maps display correctly, run File → External Data → Pack Resources and save the .blend. Blender will store supported resources inside the project. The file may grow, so check its size before sharing. Use Report Missing Files in the same menu if you need to check for missing external dependencies.
If you keep maps on disk, keep the .blend and texture folder together. After relinking the files, use File → External Data → Make Paths Relative and preserve the folder structure when moving the project. Before sharing the scene, open a copy from the new location and check the materials and environment in Rendered.
Related tutorials
This guide is based on a tutorial by Jamie Dunbar — Why is my render PINK!?