diff --git a/GitUpdateChecker.exe b/GitUpdateChecker.exe
index d5a5b7d..36ed7c3 100644
Binary files a/GitUpdateChecker.exe and b/GitUpdateChecker.exe differ
diff --git a/git.go b/git.go
index d16cde5..096924d 100644
--- a/git.go
+++ b/git.go
@@ -69,6 +69,23 @@ func checkRepo(cfg RepoConfig) RepoResult {
 	res.Path = local
 
 	if _, err := os.Stat(filepath.Join(local, ".git")); os.IsNotExist(err) {
+		// Vérifier que le dépôt distant existe avant de proposer le clone
+		code, _, stderr := runGit([]string{"ls-remote", "--exit-code", cfg.URL}, "", 15*time.Second)
+		if code != 0 {
+			for _, kw := range []string{"could not resolve", "connection refused", "unable to connect", "timed out", "the remote end hung up"} {
+				if strings.Contains(strings.ToLower(stderr), kw) {
+					res.Offline = true
+					res.Error = "Hors ligne"
+					return res
+				}
+			}
+			if strings.Contains(strings.ToLower(stderr), "not found") || strings.Contains(strings.ToLower(stderr), "repository not found") {
+				res.Error = "Dépôt introuvable : " + cfg.URL
+				return res
+			}
+			res.Error = "Erreur remote : " + stderr
+			return res
+		}
 		res.NeedsClone = true
 		return res
 	}
diff --git a/gui.go b/gui.go
index c2117a2..1b59ce8 100644
--- a/gui.go
+++ b/gui.go
@@ -522,7 +522,7 @@ func (a *App) doAction() {
 		a.mw.Synchronize(func() {
 			if err != nil {
 				a.model.setProgress(idx, 0, "Erreur")
-				walk.MsgBox(a.mw, "Erreur", res.Name+"\n\n"+err.Error(), walk.MsgBoxIconError)
+				a.appendLog(fmt.Sprintf("[%s] Erreur: %v", res.Name, err))
 				logError(fmt.Sprintf("[%s] %v", res.Name, err))
 			} else {
 				a.model.setProgress(idx, 1.0, progressBarText(1.0, 20, "Terminé"))
diff --git a/main.go b/main.go
index 52ac29e..ba55f33 100644
--- a/main.go
+++ b/main.go
@@ -9,7 +9,7 @@ import (
 	"github.com/lxn/walk"
 )
 
-const VERSION = "0.7.3"
+const VERSION = "0.7.4"
 
 func exeDir() string {
 	exe, err := os.Executable()
diff --git a/version.txt b/version.txt
index f38fc53..0a1ffad 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-0.7.3
+0.7.4