| Symptom | Likely cause | Fix | |---------|--------------|-----| | “Access denied” on install | Installer doesn’t follow symlink/registry | Revert to default, install via custom path | | App launches but cannot save data | Hardcoded paths | Use mklink /D (directory symlink) on the specific subfolder | | Windows Store apps disappear | PackageRoot registry change incomplete | Reset via Settings → Apps → Advanced → Reset | | command not found after Linux move | $PATH not updated | Add new path to ~/.profile or /etc/environment | | macOS app shows ? icon | Symlink broken after drive unmount | Recreate symlink, move apps back to /Applications |
System Storage: 99% Full.