diff --git a/src/lib/Guiguts/Preferences.pm b/src/lib/Guiguts/Preferences.pm
index 4f772dd4..5c684e99 100644
--- a/src/lib/Guiguts/Preferences.pm
+++ b/src/lib/Guiguts/Preferences.pm
@@ -26,7 +26,7 @@ BEGIN {
 sub setdefaultpath {
     my ( $oldpath, $defaultpath, $forcedefault ) = @_;
     my $newpath = '';
-    if ( -e $defaultpath or $forcedefault )    # If default path exists, consider it for new path
+    if ( -e $defaultpath or $forcedefault )    # If default path exists (or forced), consider it for new path
     {
         $newpath = $defaultpath;
     } else {                                   # Otherwise check for no-extension version or elsewhere on path
@@ -43,7 +43,7 @@ sub setdefaultpath {
     }
     $newpath = $oldpath unless $newpath;    # Use oldpath if new path not found
 
-    if ( $newpath && -e $newpath ) {
+    if ( $newpath and ( -e $newpath or $forcedefault ) ) {
         my $index = index( $newpath, 'tools' );
         $index = index( $newpath, 'scannos' ) if $index < 0;
         if ( $index >= 0 ) {                # New path is in tools or scannos under the release
@@ -67,11 +67,12 @@ sub setdefaultpath {
             # Either new and old have matching tails, or no suitable old - return relative path tail
             return $newtail;
         } else {    # Not under tools subfolder - use old if it exists, otherwise use new default
-            return $oldpath if $oldpath && -e $oldpath;
+            print "PATHS1\n$oldpath\n$newpath\n\n" if $forcedefault;
+            return $oldpath                        if $oldpath && -e $oldpath;
             return $newpath;
         }
     } else {
-        print "PATHS\n$oldpath\n$defaultpath\n\n";
+        print "PATHS2\n$oldpath\n$defaultpath\n\n" if $forcedefault;
         return ( $oldpath ? $oldpath : $defaultpath );    # If all else fails return old path, or if empty, the default path
     }
 }
diff --git a/src/lib/Guiguts/Utilities.pm b/src/lib/Guiguts/Utilities.pm
index 16d128c8..e285540e 100644
--- a/src/lib/Guiguts/Utilities.pm
+++ b/src/lib/Guiguts/Utilities.pm
@@ -1256,29 +1256,33 @@ sub initialize {
     # If XnView or Aspell are installed under "Program Files (x86)",
     # set that as the default, otherwise use "Program Files"
     # Suitable for Windows installation locations
-    my $trypath = ::catfile( '\Program Files (x86)', 'XnView', 'xnview.exe' );
-    if ( -e $trypath ) {
-        $::globalviewerpath = ::setdefaultpath( $::globalviewerpath, $trypath );
-    } else {
-        $::globalviewerpath = ::setdefaultpath( $::globalviewerpath,
-            ::catfile( '\Program Files', 'XnView', 'xnview.exe' ) );
-    }
-    $trypath = ::catfile( '\Program Files (x86)', 'Aspell', 'bin', 'aspell.exe' );
-    if ( -e $trypath ) {
-        $::globalspellpath = ::setdefaultpath( $::globalspellpath, $trypath );
-    } else {
-        $::globalspellpath = ::setdefaultpath( $::globalspellpath,
-            ::catfile( '\Program Files', 'Aspell', 'bin', 'aspell.exe' ) );
+    if ($::OS_WIN) {
+        my $trypath = ::catfile( '\Program Files (x86)', 'XnView', 'xnview.exe' );
+        if ( -e $trypath ) {
+            $::globalviewerpath = ::setdefaultpath( $::globalviewerpath, $trypath );
+        } else {
+            $::globalviewerpath = ::setdefaultpath( $::globalviewerpath,
+                ::catfile( '\Program Files', 'XnView', 'xnview.exe' ) );
+        }
+        $trypath = ::catfile( '\Program Files (x86)', 'Aspell', 'bin', 'aspell.exe' );
+        if ( -e $trypath ) {
+            $::globalspellpath = ::setdefaultpath( $::globalspellpath, $trypath );
+        } else {
+            $::globalspellpath = ::setdefaultpath( $::globalspellpath,
+                ::catfile( '\Program Files', 'Aspell', 'bin', 'aspell.exe' ) );
+        }
     }
 
     # Override to more likely default locations for Mac
     if ($::OS_MAC) {
 
         # Force consideration of default Mac Preview command even though it doesn't "exist" as file path
+        print "PRE: $::globalviewerpath";
         $::globalviewerpath = ::setdefaultpath( $::globalviewerpath, 'open -g -a Preview', 1 );
+        print "POST: $::globalviewerpath";
 
         # M1 and Intel-based Macs have some tools installed in different locations
-        $trypath = ::catfile( '/opt', 'homebrew', 'bin', 'aspell' );
+        my $trypath = ::catfile( '/opt', 'homebrew', 'bin', 'aspell' );
         if ( -e $trypath ) {
             $::globalspellpath = ::setdefaultpath( $::globalspellpath, $trypath );
         } else {