Cambiada la libreria utilizada para manejar los archivos del informe, se usa NIO ahora y deberia estar solucionado los errores con windows.

caja.iml

@@ -4,6 +4,7 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
@@ -24,5 +25,17 @@
     </orderEntry>
     <orderEntry type="library" name="org.mariuszgromada.math:MathParser.org-mXparser:4.2.0" level="project" />
     <orderEntry type="library" name="org.apache.poi:poi:4.0.1" level="project" />
+    <orderEntry type="module-library" scope="TEST">
+      <library name="JUnit5.3">
+        <CLASSES>
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.4.0-M1/junit-jupiter-api-5.4.0-M1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.0.0/apiguardian-api-1.0.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.1.1/opentest4j-1.1.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.4.0-M1/junit-platform-commons-1.4.0-M1.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>

src/danielcortes/xyz/controllers/InformesController.java

@@ -38,6 +38,10 @@ import javax.swing.filechooser.FileNameExtensionFilter;
 import java.awt.*;
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.FileAlreadyExistsException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
 
@@ -64,13 +68,13 @@ public class InformesController {
         String formatedName = month.format(formatter);
         String capitalized = StringUtils.toUpperCase(formatedName);
 
-        File saveFile = askForFile("Libro " + capitalized);
+        Path saveFile = askForFile("Libro " + capitalized);
         if (saveFile == null) {
             return;
         }
 
         InformeLibroDeVentas informe = new InformeLibroDeVentas(month, saveFile);
-        File generatedFile = informe.generarInforme();
+        Path generatedFile = informe.generarInforme();
 
         this.showConfirmation(generatedFile);
     }
@@ -89,13 +93,13 @@ public class InformesController {
         DateTimeFormatter formatter = DateTimeFormatter.ofPattern("MMMM YYYY");
         String formatedMonth = month.format(formatter);
 
-        File saveFile = askForFile("Informe Egresos - " + tipoEgreso.getNombre() + " - " + StringUtils.toUpperCase(formatedMonth));
+        Path saveFile = askForFile("Informe Egresos - " + tipoEgreso.getNombre() + " - " + StringUtils.toUpperCase(formatedMonth));
         if (saveFile == null) {
             return;
         }
 
         InformeEgresos informe = new InformeEgresos(tipoEgreso.getId(), month, saveFile);
-        File generatedFile = informe.generarInforme();
+        Path generatedFile = informe.generarInforme();
 
         this.showConfirmation(generatedFile);
     }
@@ -118,28 +122,58 @@ public class InformesController {
         }
     }
 
-    private File askForFile(String suggestedName) {
+    private Path askForFile(String suggestedName) {
         JFileChooser chooser = new JFileChooser();
         chooser.setDialogType(JFileChooser.SAVE_DIALOG);
         chooser.setSelectedFile(new File(suggestedName + ".xls"));
         chooser.setFileFilter(new FileNameExtensionFilter("Excel 2007", "xls"));
 
         if (chooser.showSaveDialog(this.view.getContentPanel()) == JFileChooser.APPROVE_OPTION) {
-            String filename = chooser.getSelectedFile().getPath();
+            String pathString = chooser.getSelectedFile().getPath();
-            if (!FileUtils.isValidPath(filename)) {
+
-                JOptionPane.showMessageDialog(this.view.getContentPanel(),"El archivo seleccionado no es valido","Archivo no valido", JOptionPane.ERROR_MESSAGE);
+            if (!pathString.endsWith(".xls")) {
-                return null;
+                pathString = pathString + ".xls";
-            } else if (!filename.endsWith(".xls")) {
-                filename += ".xls";
             }
 
-            return new File(filename);
+
+            Path path = Paths.get(pathString);
+
+
+            try {
+                Files.createFile(path);
+            } catch (FileAlreadyExistsException e) {
+                int response = JOptionPane.showConfirmDialog(
+                        this.view.getContentPanel(),
+                        "El archivo ya existe\n¿Desea sobreescribirlo?",
+                        "Confirmacion",
+                        JOptionPane.YES_NO_OPTION,
+                        JOptionPane.WARNING_MESSAGE
+                );
+
+                if (response != 0) {
+                    return null;
+                }
+
+            } catch (IOException e) {
+                e.printStackTrace();
+                JOptionPane.showMessageDialog(
+                        this.view.getContentPanel(),
+                        "No a sido posible crear el archivo",
+                        "Error!",
+                        JOptionPane.ERROR_MESSAGE
+                );
+
+                return null;
+            }
+
+            return path;
+
         } else {
             return null;
         }
     }
 
-    private void showConfirmation(File file) {
+    private void showConfirmation(Path path) {
         int result = JOptionPane.showConfirmDialog(
                 this.view.getContentPanel(),
                 "El informes se a generado\n" +
@@ -148,9 +182,10 @@ public class InformesController {
                 JOptionPane.YES_NO_OPTION,
                 JOptionPane.QUESTION_MESSAGE
         );
+
         if (result == 0) {
             try {
-                Desktop.getDesktop().open(file);
+                Desktop.getDesktop().open(path.toFile());
             } catch (IOException e) {
                 e.printStackTrace();
             }

src/danielcortes/xyz/informes/InformeEgresos.java

@@ -38,6 +38,8 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.*;
@@ -51,7 +53,7 @@ public class InformeEgresos {
     };
 
     private List<InformeEgresosContent> informe;
-    private File saveFile;
+    private Path saveFile;
 
     //Filas donde se almacenaran los totales
     private ArrayList<Row> totalRows;
@@ -68,7 +70,7 @@ public class InformeEgresos {
     private CreationHelper createHelper;
     private HashMap<String, CellStyle> styles;
 
-    public InformeEgresos(int tipoEgresoId, LocalDate date, File saveFile) {
+    public InformeEgresos(int tipoEgresoId, LocalDate date, Path saveFile) {
         new SQLiteCajaDAO().createCajasForMonth(date);
         this.informe = new SQLiteInformeEgresosContentDAO().getInformeEgresosFactuasMateriaPrima(date, tipoEgresoId);
         this.saveFile = saveFile;
@@ -275,7 +277,7 @@ public class InformeEgresos {
         return styles;
     }
 
-    public File generarInforme() {
+    public Path generarInforme() {
         fillHeaders();
         fillData();
         fillTotales();
@@ -283,7 +285,7 @@ public class InformeEgresos {
         setStyles();
         addBorders();
 
-        try (OutputStream fileOut = new FileOutputStream(this.saveFile)) {
+        try (OutputStream fileOut = Files.newOutputStream(this.saveFile)){
             wb.write(fileOut);
             return this.saveFile;
         } catch (IOException e) {

src/danielcortes/xyz/informes/InformeLibroDeVentas.java

@@ -36,6 +36,8 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.time.LocalDate;
 import java.time.ZoneId;
 import java.util.*;
@@ -67,14 +69,14 @@ public class InformeLibroDeVentas {
 
     private ArrayList<InformeLibroDeVentasContent> informe;
     private int informeSize;
-    private File saveFile;
+    private Path saveFile;
 
     private Workbook wb;
     private Sheet sheet;
     private CreationHelper createHelper;
     private HashMap<String, CellStyle> styles;
 
-    public InformeLibroDeVentas(LocalDate date, File saveFile) {
+    public InformeLibroDeVentas(LocalDate date, Path saveFile) {
         new SQLiteCajaDAO().createCajasForMonth(date);
 
         this.informe = new ArrayList<>(new SQLiteInformeLibroDeVentasContentDAO().getInformeMensual(date));
@@ -298,7 +300,7 @@ public class InformeLibroDeVentas {
         }
     }
 
-    public File generarInforme() {
+    public Path generarInforme() {
         sortInforme();
         fillData();
         fillHeaders();
@@ -308,7 +310,7 @@ public class InformeLibroDeVentas {
         setStyles();
         addBorders();
 
-        try (OutputStream fileOut = new FileOutputStream(this.saveFile)) {
+        try (OutputStream fileOut = Files.newOutputStream(this.saveFile)) {
             wb.write(fileOut);
             return this.saveFile;
         } catch (IOException e) {

src/danielcortes/xyz/utils/FileUtils.java

@@ -24,15 +24,17 @@
 
 package danielcortes.xyz.utils;
 
-import java.nio.file.InvalidPathException;
+import java.io.File;
-import java.nio.file.Paths;
+import java.io.IOException;
 
 public class FileUtils {
     public static boolean isValidPath(String path) {
+        File file = new File(path);
         try {
-            Paths.get(path);
+            //noinspection ResultOfMethodCallIgnored
-        } catch (InvalidPathException | NullPointerException ex) {
+            file.getCanonicalPath();
-            ex.printStackTrace();
+        } catch (IOException e) {
+            e.printStackTrace();
             return false;
         }
         return true;