diff --git a/CEO/.idea/.name b/CEO/.idea/.name
index 1c746d5..12fdd11 100644
--- a/CEO/.idea/.name
+++ b/CEO/.idea/.name
@@ -1 +1 @@
-external_endpoints.js
\ No newline at end of file
+sending_file_confirmation.js
\ No newline at end of file
diff --git a/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx b/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx
new file mode 100644
index 0000000..d8b87bb
Binary files /dev/null and b/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx differ
diff --git a/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Word Document.docx b/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Word Document.docx
new file mode 100644
index 0000000..ff94689
Binary files /dev/null and b/CEO/backup_directories/59c712d9-e6dd-438f-aec9-31ca2ae750e6/backup_dir/fisiere/New Microsoft Word Document.docx differ
diff --git a/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx b/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx
new file mode 100644
index 0000000..8f3963d
Binary files /dev/null and b/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx differ
diff --git a/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Word Document.docx b/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Word Document.docx
new file mode 100644
index 0000000..ebcad29
Binary files /dev/null and b/CEO/backup_directories/7c0ef9d5-23ed-47a6-bfb4-fdcfce436904/backup_dir/fisiere/New Microsoft Word Document.docx differ
diff --git a/CEO/jobs/clean.js b/CEO/jobs/clean.js
new file mode 100644
index 0000000..236f48a
--- /dev/null
+++ b/CEO/jobs/clean.js
@@ -0,0 +1,28 @@
+const fs = require('fs');
+const path = require('path');
+
+// List of files you want to check and delete
+const filesToDelete = [
+    path.join(__dirname, '..', 'backupSchemes.json'),
+    path.join(__dirname, '..', 'dirBackup.json'),
+    path.join(__dirname, '..', 'dirShare.json'),
+    path.join(__dirname, '..', 'usersInSystem.json'),
+    path.join(__dirname, '..', 'loginData.json'),
+    path.join(__dirname, '..', 'ipConfig.json')
+];
+
+filesToDelete.forEach(file => {
+    fs.access(file, fs.constants.F_OK, (err) => {
+        if (!err) {
+            fs.unlink(file, err => {
+                if (err) {
+                    console.error(`Failed to delete ${file}: ${err}`);
+                } else {
+                    console.log(`${file} was deleted successfully.`);
+                }
+            });
+        } else {
+            console.log(`${file} does not exist.`);
+        }
+    });
+});
diff --git a/CEO/jobs/external_endpoints.js b/CEO/jobs/external_endpoints.js
index 8b12e01..c8add05 100644
--- a/CEO/jobs/external_endpoints.js
+++ b/CEO/jobs/external_endpoints.js
@@ -99,7 +99,7 @@ async function addFilePathToJson(filePath) {
         if (await fsExtra.pathExists(jsonFilePath)) {
             await lockFile(jsonFilePath);
             data = await fsExtra.readJson(jsonFilePath);
-        }else{
+        } else {
             await lockFile(jsonFilePath);
         }
 
@@ -160,10 +160,10 @@ app.post('/upload', (req, res) => {
             await fsExtra.move(req.file.path, finalPath, { overwrite: true });
             await addFilePathToJson(finalPath);
 
-            res.status(httpStatus.OK).json({message: 'Upload successful.'})
+            res.status(httpStatus.OK).json({ message: 'Upload successful.' });
         } catch (error) {
             console.error('Failed to move file:', error);
-            res.status(httpStatus.INTERNAL_SERVER_ERROR).json({message: 'Server error while moving the file.'});
+            res.status(httpStatus.INTERNAL_SERVER_ERROR).json({ message: 'Server error while moving the file.' });
         }
     });
 });
diff --git a/CEO/package.json b/CEO/package.json
index 1377cee..a46a982 100644
--- a/CEO/package.json
+++ b/CEO/package.json
@@ -5,6 +5,7 @@
   "description": "Aplicatie P2P pentru stocarea resurselor digitale",
   "main": "src/main/main.js",
   "scripts": {
+    "clean": "node ./jobs/clean.js",
     "start": "electron --trace-warnings ./src/main/main.js",
     "dev": "electronmon --trace-warnings ./src/main/main.js"
   },
diff --git a/CEO/src/main/main.js b/CEO/src/main/main.js
index 388cb49..6cbedb3 100644
--- a/CEO/src/main/main.js
+++ b/CEO/src/main/main.js
@@ -72,6 +72,13 @@ const checkForServerConnection = async () => {
     } catch (error) {
         console.error("Error:", error);
         return false;
+    } finally{
+        try{
+            fs.unlinkSync(pathToIpConfig);
+        }
+        catch{
+
+        }
     }
 };
 
diff --git a/CEO/src/renderer/js/ip_submit.js b/CEO/src/renderer/js/ip_submit.js
index 7c78d06..bcc69e9 100644
--- a/CEO/src/renderer/js/ip_submit.js
+++ b/CEO/src/renderer/js/ip_submit.js
@@ -19,9 +19,10 @@ document.addEventListener('DOMContentLoaded', async function () {
                     await window.electronAPI.writeFile('ipConfig.json', JSON.stringify({ip: ipAddress}));
                     fadeOut('login.html');
                 })
-                .catch(error => {
-                    console.error('Error:', error.message);
-                    throw new Error(error.message);
+                .catch(async error => {
+                    await window.electronAPI.showAlert('Can\'t reach server.')
+                        .then(() => console.log('Alert window opened'))
+                        .catch(error => console.error('Error showing alert:', error));
                 });
         } catch (error) {
             console.error('Error:', error.message);
diff --git a/CEO/src/renderer/js/sending_file_confirmation.js b/CEO/src/renderer/js/sending_file_confirmation.js
index f1b46f6..9ee88d0 100644
--- a/CEO/src/renderer/js/sending_file_confirmation.js
+++ b/CEO/src/renderer/js/sending_file_confirmation.js
@@ -6,13 +6,26 @@ document.addEventListener("DOMContentLoaded", async function () {
 
             const uploadPromises = uploadData.users.map(async (user) => {
                 try {
+                    const response = await fetch(uploadData.filePath);
+                    if (!response.ok) {
+                        throw new Error('Failed to fetch file');
+                    }
+                    const file = await response.blob();
+                    if (!file.size) {
+                        throw new Error('File is empty or could not be loaded');
+                    }
+
                     const formData = new FormData();
-                    const file = await fetch(uploadData.filePath).then(response => response.blob());
                     formData.append('file', file);
                     formData.append('idUser', user.userId);
                     formData.append('nameOfFile', user.fileName);
+                    formData.append('sizeOfFile', file.size);
+
+                    // Debugging FormData content
+                    for (let [key, value] of formData.entries()) {
+                        console.log(key, value instanceof Blob ? `Blob (${value.size} bytes)` : value);
+                    }
 
-                    await timeout(5000); // Timeout to simulate delay or wait
                     const url = `http://${user.destIp}:${user.destPort}/upload`;
                     const uploadResponse = await fetch(url, {
                         method: 'POST',
@@ -20,7 +33,13 @@ document.addEventListener("DOMContentLoaded", async function () {
                     });
 
                     if (!uploadResponse.ok) {
-                        throw new Error(`HTTP error during file upload to ${user.userId}: status ${uploadResponse.status}`);
+                        try {
+                            const errorResponse = await uploadResponse.json();
+                            throw new Error(`HTTP error during file upload to ${user.userId}: ${errorResponse.message}`);
+                        } catch (parseError) {
+                            const responseText = await uploadResponse.text();
+                            throw new Error(`HTTP error during file upload to ${user.userId}: ${responseText}`);
+                        }
                     }
 
                     return {userId: user.userId, success: true, message: `Upload successful for user ${user.userId}`};
@@ -32,9 +51,7 @@ document.addEventListener("DOMContentLoaded", async function () {
 
             const results = await Promise.all(uploadPromises);
             results.forEach(result => {
-                if (result.success) {
-                    console.log(result.message);
-                }
+                console.log(result.message);
             });
             console.log('All files processed. Check the console for detailed results.');
         } catch (error) {
@@ -49,6 +66,6 @@ document.addEventListener("DOMContentLoaded", async function () {
     }
 
     await performUploads();
-    await timeout(10000);
+    await timeout(10000); // Consider the necessity of this delay in production
     fadeOut('main_menu.html');
-});
\ No newline at end of file
+});
diff --git a/User/.idea/.name b/User/.idea/.name
index d3296ce..12fdd11 100644
--- a/User/.idea/.name
+++ b/User/.idea/.name
@@ -1 +1 @@
-login.css
\ No newline at end of file
+sending_file_confirmation.js
\ No newline at end of file
diff --git a/User/jobs/clean.js b/User/jobs/clean.js
new file mode 100644
index 0000000..236f48a
--- /dev/null
+++ b/User/jobs/clean.js
@@ -0,0 +1,28 @@
+const fs = require('fs');
+const path = require('path');
+
+// List of files you want to check and delete
+const filesToDelete = [
+    path.join(__dirname, '..', 'backupSchemes.json'),
+    path.join(__dirname, '..', 'dirBackup.json'),
+    path.join(__dirname, '..', 'dirShare.json'),
+    path.join(__dirname, '..', 'usersInSystem.json'),
+    path.join(__dirname, '..', 'loginData.json'),
+    path.join(__dirname, '..', 'ipConfig.json')
+];
+
+filesToDelete.forEach(file => {
+    fs.access(file, fs.constants.F_OK, (err) => {
+        if (!err) {
+            fs.unlink(file, err => {
+                if (err) {
+                    console.error(`Failed to delete ${file}: ${err}`);
+                } else {
+                    console.log(`${file} was deleted successfully.`);
+                }
+            });
+        } else {
+            console.log(`${file} does not exist.`);
+        }
+    });
+});
diff --git a/User/package.json b/User/package.json
index 23b5a48..eb223c3 100644
--- a/User/package.json
+++ b/User/package.json
@@ -5,6 +5,7 @@
   "description": "Aplicatie P2P pentru stocarea resurselor digitale",
   "main": "src/main/main.js",
   "scripts": {
+    "clean": "node ./jobs/clean.js",
     "start": "electron --trace-warnings ./src/main/main.js",
     "dev": "electronmon --trace-warnings ./src/main/main.js"
   },
diff --git a/User/src/renderer/js/ip_submit.js b/User/src/renderer/js/ip_submit.js
index 7c78d06..bcc69e9 100644
--- a/User/src/renderer/js/ip_submit.js
+++ b/User/src/renderer/js/ip_submit.js
@@ -19,9 +19,10 @@ document.addEventListener('DOMContentLoaded', async function () {
                     await window.electronAPI.writeFile('ipConfig.json', JSON.stringify({ip: ipAddress}));
                     fadeOut('login.html');
                 })
-                .catch(error => {
-                    console.error('Error:', error.message);
-                    throw new Error(error.message);
+                .catch(async error => {
+                    await window.electronAPI.showAlert('Can\'t reach server.')
+                        .then(() => console.log('Alert window opened'))
+                        .catch(error => console.error('Error showing alert:', error));
                 });
         } catch (error) {
             console.error('Error:', error.message);
diff --git a/User/src/renderer/js/sending_file_confirmation.js b/User/src/renderer/js/sending_file_confirmation.js
index f1b46f6..9ffe881 100644
--- a/User/src/renderer/js/sending_file_confirmation.js
+++ b/User/src/renderer/js/sending_file_confirmation.js
@@ -11,6 +11,7 @@ document.addEventListener("DOMContentLoaded", async function () {
                     formData.append('file', file);
                     formData.append('idUser', user.userId);
                     formData.append('nameOfFile', user.fileName);
+                    formData.append('sizeOfFile', file.size);
 
                     await timeout(5000); // Timeout to simulate delay or wait
                     const url = `http://${user.destIp}:${user.destPort}/upload`;
@@ -20,7 +21,8 @@ document.addEventListener("DOMContentLoaded", async function () {
                     });
 
                     if (!uploadResponse.ok) {
-                        throw new Error(`HTTP error during file upload to ${user.userId}: status ${uploadResponse.status}`);
+                        const response = await uploadResponse.json()
+                        throw new Error(`HTTP error during file upload to ${user.userId}: status ${response.message}`);
                     }
 
                     return {userId: user.userId, success: true, message: `Upload successful for user ${user.userId}`};
diff --git a/dirs/ceo/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx b/dirs/ceo/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx
new file mode 100644
index 0000000..0253ced
Binary files /dev/null and b/dirs/ceo/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx differ
diff --git a/dirs/ceo/backup_dir/fisiere/New Microsoft Word Document.docx b/dirs/ceo/backup_dir/fisiere/New Microsoft Word Document.docx
new file mode 100644
index 0000000..ee863bf
Binary files /dev/null and b/dirs/ceo/backup_dir/fisiere/New Microsoft Word Document.docx differ
diff --git a/dirs/user/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx b/dirs/user/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx
new file mode 100644
index 0000000..0253ced
Binary files /dev/null and b/dirs/user/backup_dir/fisiere/New Microsoft Excel Worksheet.xlsx differ
diff --git a/dirs/user/backup_dir/fisiere/New Microsoft Word Document.docx b/dirs/user/backup_dir/fisiere/New Microsoft Word Document.docx
new file mode 100644
index 0000000..ee863bf
Binary files /dev/null and b/dirs/user/backup_dir/fisiere/New Microsoft Word Document.docx differ