diff --git a/src/slic3r/GUI/WebGuideDialog.cpp b/src/slic3r/GUI/WebGuideDialog.cpp
index a8d81fa35..725569c18 100644
--- a/src/slic3r/GUI/WebGuideDialog.cpp
+++ b/src/slic3r/GUI/WebGuideDialog.cpp
@@ -1282,6 +1282,8 @@ int GuideFrame::LoadProfileFamily(std::string strVendor, std::string strFilePath
             std::string s2 = OneModel["sub_path"];
 
             boost::filesystem::path sub_path = boost::filesystem::absolute(vendor_dir / s2).make_preferred();
+            if (!boost::filesystem::exists(sub_path)) continue;
+
             std::string             sub_file = sub_path.string();
 
             boost::nowide::ifstream ifs(sub_file);
@@ -1316,6 +1318,8 @@ int GuideFrame::LoadProfileFamily(std::string strVendor, std::string strFilePath
 
             // wxString ModelFilePath = wxString::Format("%s\\%s\\%s", strFolder, strVendor, s2);
             boost::filesystem::path sub_path = boost::filesystem::absolute(vendor_dir / s2).make_preferred();
+            if (!boost::filesystem::exists(sub_path)) continue;
+
             std::string             sub_file = sub_path.string();
             boost::nowide::ifstream ifs(sub_file);
             json                    pm;
@@ -1358,6 +1362,8 @@ int GuideFrame::LoadProfileFamily(std::string strVendor, std::string strFilePath
             if (!m_ProfileJson["filament"].contains(s1)) {
                 // wxString ModelFilePath = wxString::Format("%s\\%s\\%s", strFolder, strVendor, s2);
                 boost::filesystem::path sub_path = boost::filesystem::absolute(vendor_dir / s2).make_preferred();
+                if (!boost::filesystem::exists(sub_path)) continue;
+
                 std::string             sub_file = sub_path.string();
                 boost::nowide::ifstream ifs(sub_file);
                 json                    pm;
@@ -1417,6 +1423,8 @@ int GuideFrame::LoadProfileFamily(std::string strVendor, std::string strFilePath
             std::string s2 = OneProcess["sub_path"];
             // wxString ModelFilePath = wxString::Format("%s\\%s\\%s", strFolder, strVendor, s2);
             boost::filesystem::path sub_path = boost::filesystem::absolute(vendor_dir / s2).make_preferred();
+            if (!boost::filesystem::exists(sub_path)) continue;
+
             std::string             sub_file = sub_path.string();
             boost::nowide::ifstream ifs(sub_file);
             json                    pm;