create_symlink: catch admin error

Author: scivision

+stdlib/+native/create_symlink.m

@@ -5,7 +5,11 @@
   ok = true;
 catch e
   switch e.identifier
-    case {'MATLAB:io:filesystem:symlink:FileExists', 'MATLAB:io:filesystem:symlink:TargetNotFound'}, ok = false;
+    % Some Windows R2025a need admin perms, some don't
+    case {'MATLAB:io:filesystem:symlink:FileExists', ...
+          'MATLAB:io:filesystem:symlink:TargetNotFound', ...
+          'MATLAB:io:filesystem:symlink:NeedsAdminPerms'}
+      ok = false;
     otherwise, rethrow(e)
   end
 end

+stdlib/Backend.m

@@ -85,7 +85,9 @@
 
       switch functionName
         case 'create_symlink'
-          if stdlib.matlabOlderThan('R2024b') || (ispc() && stdlib.matlabOlderThan('R2025a'))
+          % Some Windows R2025a give error 'MATLAB:io:filesystem:symlink:NeedsAdminPerms'
+          % 25.1.0.2973910 (R2025a) Update 1 gave this error for example.
+          if stdlib.matlabOlderThan('R2024b') || ispc()
             continue
           end
         case {'is_symlink', 'read_symlink'}