diff --git a/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
index df8c690af..af8f8005b 100644
--- a/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
+++ b/launcher/minecraft/mod/tasks/GetModDependenciesTask.cpp
@@ -180,7 +180,9 @@ Task::Ptr GetModDependenciesTask::prepareDependencyTask(const ModPlatform::Depen
 
     ResourceAPI::DependencySearchArgs args = { dep, m_version, m_loaderType };
     ResourceAPI::DependencySearchCallbacks callbacks;
-
+    callbacks.on_fail = [](QString reason, int) {
+        qCritical() << tr("A network error occurred. Could not load project dependenies:%1").arg(reason);
+    };
     callbacks.on_succeed = [dep, provider, pDep, level, this](auto& doc, [[maybe_unused]] auto& pack) {
         try {
             QJsonArray arr;
diff --git a/launcher/modplatform/EnsureMetadataTask.cpp b/launcher/modplatform/EnsureMetadataTask.cpp
index a9ad22581..a9ed30119 100644
--- a/launcher/modplatform/EnsureMetadataTask.cpp
+++ b/launcher/modplatform/EnsureMetadataTask.cpp
@@ -149,6 +149,7 @@ void EnsureMetadataTask::executeTask()
             if (m_current_task)
                 m_current_task.reset();
         });
+        connect(project_task.get(), &Task::failed, this, &EnsureMetadataTask::emitFailed);
 
         m_current_task = project_task;
         project_task->start();
@@ -159,6 +160,7 @@ void EnsureMetadataTask::executeTask()
         if (m_current_task)
             m_current_task.reset();
     });
+    connect(version_task.get(), &Task::failed, this, &EnsureMetadataTask::emitFailed);
 
     if (m_mods.size() > 1)
         setStatus(tr("Requesting metadata information from %1...").arg(ProviderCaps.readableName(m_provider)));
diff --git a/launcher/modplatform/ResourceAPI.h b/launcher/modplatform/ResourceAPI.h
index 3b1959384..2c7bec5d4 100644
--- a/launcher/modplatform/ResourceAPI.h
+++ b/launcher/modplatform/ResourceAPI.h
@@ -96,6 +96,7 @@ class ResourceAPI {
     };
     struct VersionSearchCallbacks {
         std::function<void(QJsonDocument&, ModPlatform::IndexedPack)> on_succeed;
+        std::function<void(QString const& reason, int network_error_code)> on_fail;
     };
 
     struct ProjectInfoArgs {
@@ -118,6 +119,7 @@ class ResourceAPI {
 
     struct DependencySearchCallbacks {
         std::function<void(QJsonDocument&, const ModPlatform::Dependency&)> on_succeed;
+        std::function<void(QString const& reason, int network_error_code)> on_fail;
     };
 
    public:
diff --git a/launcher/modplatform/flame/FileResolvingTask.cpp b/launcher/modplatform/flame/FileResolvingTask.cpp
index 5865bee91..8d23896d9 100644
--- a/launcher/modplatform/flame/FileResolvingTask.cpp
+++ b/launcher/modplatform/flame/FileResolvingTask.cpp
@@ -119,7 +119,6 @@ void Flame::FileResolvingTask::netJobFinished()
     connect(m_checkJob.get(), &NetJob::failed, this, [this, step_progress](QString reason) {
         step_progress->state = TaskStepState::Failed;
         stepProgress(*step_progress);
-        emitFailed(reason);
     });
     connect(m_checkJob.get(), &NetJob::stepProgress, this, &FileResolvingTask::propagateStepProgress);
     connect(m_checkJob.get(), &NetJob::progress, this, [this, step_progress](qint64 current, qint64 total) {
diff --git a/launcher/modplatform/flame/FlameCheckUpdate.cpp b/launcher/modplatform/flame/FlameCheckUpdate.cpp
index c014863a3..b4eb304f0 100644
--- a/launcher/modplatform/flame/FlameCheckUpdate.cpp
+++ b/launcher/modplatform/flame/FlameCheckUpdate.cpp
@@ -24,7 +24,7 @@ bool FlameCheckUpdate::abort()
     return true;
 }
 
-ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info)
+ModPlatform::IndexedPack FlameCheckUpdate::getProjectInfo(ModPlatform::IndexedVersion& ver_info)
 {
     ModPlatform::IndexedPack pack;
 
@@ -57,6 +57,7 @@ ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info)
         }
     });
 
+    connect(get_project_job, &NetJob::failed, this, &FlameCheckUpdate::emitFailed);
     QObject::connect(get_project_job, &NetJob::finished, [&loop, get_project_job] {
         get_project_job->deleteLater();
         loop.quit();
@@ -68,7 +69,7 @@ ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info)
     return pack;
 }
 
-ModPlatform::IndexedVersion getFileInfo(int addonId, int fileId)
+ModPlatform::IndexedVersion FlameCheckUpdate::getFileInfo(int addonId, int fileId)
 {
     ModPlatform::IndexedVersion ver;
 
@@ -100,7 +101,7 @@ ModPlatform::IndexedVersion getFileInfo(int addonId, int fileId)
             qDebug() << doc;
         }
     });
-
+    connect(get_file_info_job, &NetJob::failed, this, &FlameCheckUpdate::emitFailed);
     QObject::connect(get_file_info_job, &NetJob::finished, [&loop, get_file_info_job] {
         get_file_info_job->deleteLater();
         loop.quit();
diff --git a/launcher/modplatform/flame/FlameCheckUpdate.h b/launcher/modplatform/flame/FlameCheckUpdate.h
index 05c619a70..f5bb1653d 100644
--- a/launcher/modplatform/flame/FlameCheckUpdate.h
+++ b/launcher/modplatform/flame/FlameCheckUpdate.h
@@ -22,6 +22,9 @@ class FlameCheckUpdate : public CheckUpdateTask {
     void executeTask() override;
 
    private:
+    ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info);
+    ModPlatform::IndexedVersion getFileInfo(int addonId, int fileId);
+
     NetJob* m_net_job = nullptr;
 
     bool m_was_aborted = false;
diff --git a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
index 2a26ce944..4edd04150 100644
--- a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
+++ b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
@@ -227,6 +227,7 @@ bool FlameCreationTask::updateInstance()
                 m_files_to_remove.append(old_minecraft_dir.absoluteFilePath(relative_path));
             }
         });
+        connect(job.get(), &Task::failed, this, [](QString reason) { qCritical() << "Failed to get files: " << reason; });
         connect(job.get(), &Task::finished, &loop, &QEventLoop::quit);
 
         m_process_update_file_info_job = job;
diff --git a/launcher/modplatform/flame/FlamePackExportTask.cpp b/launcher/modplatform/flame/FlamePackExportTask.cpp
index b5ab7bc73..3827170b3 100644
--- a/launcher/modplatform/flame/FlamePackExportTask.cpp
+++ b/launcher/modplatform/flame/FlamePackExportTask.cpp
@@ -323,6 +323,7 @@ void FlamePackExportTask::getProjectsInfo()
         }
         buildZip();
     });
+    connect(projTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
     task.reset(projTask);
     task->start();
 }
diff --git a/launcher/modplatform/helpers/NetworkResourceAPI.cpp b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
index dccccdc21..16ec90ec2 100644
--- a/launcher/modplatform/helpers/NetworkResourceAPI.cpp
+++ b/launcher/modplatform/helpers/NetworkResourceAPI.cpp
@@ -102,6 +102,13 @@ Task::Ptr NetworkResourceAPI::getProjectVersions(VersionSearchArgs&& args, Versi
 
         callbacks.on_succeed(doc, args.pack);
     });
+    QObject::connect(netJob.get(), &NetJob::failed, [&netJob, callbacks](QString reason) {
+        int network_error_code = -1;
+        if (auto* failed_action = netJob->getFailedActions().at(0); failed_action && failed_action->m_reply)
+            network_error_code = failed_action->m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
+
+        callbacks.on_fail(reason, network_error_code);
+    });
 
     return netJob;
 }
@@ -146,6 +153,12 @@ Task::Ptr NetworkResourceAPI::getDependencyVersion(DependencySearchArgs&& args,
 
         callbacks.on_succeed(doc, args.dependency);
     });
+    QObject::connect(netJob.get(), &NetJob::failed, [&netJob, callbacks](QString reason) {
+        int network_error_code = -1;
+        if (auto* failed_action = netJob->getFailedActions().at(0); failed_action && failed_action->m_reply)
+            network_error_code = failed_action->m_reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt();
 
+        callbacks.on_fail(reason, network_error_code);
+    });
     return netJob;
 }
diff --git a/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
index 9b7c53854..e56fc3d1d 100644
--- a/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
+++ b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
@@ -72,8 +72,6 @@ void ModrinthCheckUpdate::executeTask()
     auto response = std::make_shared<QByteArray>();
     auto job = api.latestVersions(hashes, best_hash_type, m_game_versions, m_loaders, response);
 
-    QEventLoop lock;
-
     connect(job.get(), &Task::succeeded, this, [this, response, &mappings, best_hash_type, job] {
         QJsonParseError parse_error{};
         QJsonDocument doc = QJsonDocument::fromJson(*response, &parse_error);
@@ -82,7 +80,7 @@ void ModrinthCheckUpdate::executeTask()
                        << " reason: " << parse_error.errorString();
             qWarning() << *response;
 
-            failed(parse_error.errorString());
+            emitFailed(parse_error.errorString());
             return;
         }
 
@@ -167,19 +165,17 @@ void ModrinthCheckUpdate::executeTask()
                 m_deps.append(std::make_shared<GetModDependenciesTask::PackDependency>(pack, project_ver));
             }
         } catch (Json::JsonException& e) {
-            failed(e.cause() + " : " + e.what());
+            emitFailed(e.cause() + " : " + e.what());
+            return;
         }
+        emitSucceeded();
     });
 
-    connect(job.get(), &Task::finished, &lock, &QEventLoop::quit);
+    connect(job.get(), &Task::failed, this, &ModrinthCheckUpdate::emitFailed);
 
     setStatus(tr("Waiting for the API response from Modrinth..."));
     setProgress(1, 3);
 
     m_net_job = qSharedPointerObjectCast<NetJob, Task>(job);
     job->start();
-
-    lock.exec();
-
-    emitSucceeded();
 }
diff --git a/launcher/tasks/ConcurrentTask.cpp b/launcher/tasks/ConcurrentTask.cpp
index 97406d58f..77d9ab29d 100644
--- a/launcher/tasks/ConcurrentTask.cpp
+++ b/launcher/tasks/ConcurrentTask.cpp
@@ -120,10 +120,10 @@ void ConcurrentTask::executeNextSubTask()
     }
     if (m_queue.isEmpty()) {
         if (m_doing.isEmpty()) {
-            // if (m_failed.isEmpty())
-            emitSucceeded();
-            // else
-            // emitFailed(tr("One or more subtasks failed"));
+            if (m_failed.isEmpty())
+                emitSucceeded();
+            else
+                emitFailed(tr("One or more subtasks failed"));
         }
         return;
     }
@@ -138,6 +138,7 @@ void ConcurrentTask::startSubTask(Task::Ptr next)
 {
     connect(next.get(), &Task::succeeded, this, [this, next]() { subTaskSucceeded(next); });
     connect(next.get(), &Task::failed, this, [this, next](QString msg) { subTaskFailed(next, msg); });
+    // this should never happen but if it does, it's better to fail the task than get stuck
     connect(next.get(), &Task::aborted, this, [this, next] { subTaskFailed(next, "Aborted"); });
 
     connect(next.get(), &Task::status, this, [this, next](QString msg) { subTaskStatus(next, msg); });
diff --git a/launcher/ui/dialogs/ModUpdateDialog.cpp b/launcher/ui/dialogs/ModUpdateDialog.cpp
index 1a70ea59a..85250adb6 100644
--- a/launcher/ui/dialogs/ModUpdateDialog.cpp
+++ b/launcher/ui/dialogs/ModUpdateDialog.cpp
@@ -326,6 +326,8 @@ auto ModUpdateDialog::ensureMetadata() -> bool
         connect(modrinth_task.get(), &EnsureMetadataTask::metadataFailed, [this, &should_try_others](Mod* candidate) {
             onMetadataFailed(candidate, should_try_others.find(candidate->internal_id()).value(), ModPlatform::ResourceProvider::MODRINTH);
         });
+        connect(modrinth_task.get(), &EnsureMetadataTask::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
         if (modrinth_task->getHashingTask())
             seq.addTask(modrinth_task->getHashingTask());
@@ -339,6 +341,8 @@ auto ModUpdateDialog::ensureMetadata() -> bool
         connect(flame_task.get(), &EnsureMetadataTask::metadataFailed, [this, &should_try_others](Mod* candidate) {
             onMetadataFailed(candidate, should_try_others.find(candidate->internal_id()).value(), ModPlatform::ResourceProvider::FLAME);
         });
+        connect(flame_task.get(), &EnsureMetadataTask::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
         if (flame_task->getHashingTask())
             seq.addTask(flame_task->getHashingTask());
@@ -392,6 +396,8 @@ void ModUpdateDialog::onMetadataFailed(Mod* mod, bool try_others, ModPlatform::R
         auto task = makeShared<EnsureMetadataTask>(mod, index_dir, next(first_choice));
         connect(task.get(), &EnsureMetadataTask::metadataReady, [this](Mod* candidate) { onMetadataEnsured(candidate); });
         connect(task.get(), &EnsureMetadataTask::metadataFailed, [this](Mod* candidate) { onMetadataFailed(candidate, false); });
+        connect(task.get(), &EnsureMetadataTask::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
         m_second_try_metadata->addTask(task);
     } else {
diff --git a/launcher/ui/pages/modplatform/ResourceModel.cpp b/launcher/ui/pages/modplatform/ResourceModel.cpp
index 48e66efca..c83e844c3 100644
--- a/launcher/ui/pages/modplatform/ResourceModel.cpp
+++ b/launcher/ui/pages/modplatform/ResourceModel.cpp
@@ -207,6 +207,10 @@ void ResourceModel::loadEntry(QModelIndex& entry)
                     return;
                 versionRequestSucceeded(doc, pack, entry);
             };
+        if (!callbacks.on_fail)
+            callbacks.on_fail = [](QString reason, int) {
+                QMessageBox::critical(nullptr, tr("Error"), tr("A network error occurred. Could not load project versions:%1").arg(reason));
+            };
 
         if (auto job = m_api->getProjectVersions(std::move(args), std::move(callbacks)); job)
             runInfoJob(job);
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.cpp b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
index 16055c4bb..f1fd9b5d8 100644
--- a/launcher/ui/pages/modplatform/flame/FlamePage.cpp
+++ b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
@@ -34,6 +34,7 @@
  */
 
 #include "FlamePage.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include "ui_FlamePage.h"
 
 #include <QKeyEvent>
@@ -193,6 +194,8 @@ void FlamePage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelInde
             suggestCurrent();
         });
         QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
     } else {
         for (auto version : current.versions) {
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp b/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
index 8e2b9a902..b4045a046 100644
--- a/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
+++ b/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
@@ -35,6 +35,7 @@
  */
 
 #include "ModrinthPage.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include "ui_ModrinthPage.h"
 
 #include "ModrinthModel.h"
@@ -182,6 +183,8 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
             suggestCurrent();
         });
         QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
     } else
         updateUI();
@@ -235,6 +238,8 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, [[maybe_unused]] QModelI
             suggestCurrent();
         });
         QObject::connect(netJob, &NetJob::finished, this, [response, netJob] { netJob->deleteLater(); });
+        connect(netJob, &NetJob::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
         netJob->start();
 
     } else {
diff --git a/launcher/ui/pages/modplatform/technic/TechnicPage.cpp b/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
index 190b7c68f..6b1ec8cb5 100644
--- a/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
+++ b/launcher/ui/pages/modplatform/technic/TechnicPage.cpp
@@ -34,6 +34,7 @@
  */
 
 #include "TechnicPage.h"
+#include "ui/dialogs/CustomMessageBox.h"
 #include "ui/widgets/ProjectItem.h"
 #include "ui_TechnicPage.h"
 
@@ -208,6 +209,8 @@ void TechnicPage::suggestCurrent()
 
         metadataLoaded();
     });
+    connect(jobPtr.get(), &NetJob::failed,
+            [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
     jobPtr = netJob;
     jobPtr->start();
@@ -258,6 +261,8 @@ void TechnicPage::metadataLoaded()
         netJob->addNetAction(Net::ApiDownload::makeByteArray(QUrl(url), response));
 
         QObject::connect(netJob.get(), &NetJob::succeeded, this, &TechnicPage::onSolderLoaded);
+        connect(jobPtr.get(), &NetJob::failed,
+                [this](QString reason) { CustomMessageBox::selectable(this, tr("Error"), reason, QMessageBox::Critical)->exec(); });
 
         jobPtr = netJob;
         jobPtr->start();
diff --git a/launcher/ui/widgets/VariableSizedImageObject.cpp b/launcher/ui/widgets/VariableSizedImageObject.cpp
index f655fc38d..cebf2a5f1 100644
--- a/launcher/ui/widgets/VariableSizedImageObject.cpp
+++ b/launcher/ui/widgets/VariableSizedImageObject.cpp
@@ -102,14 +102,7 @@ void VariableSizedImageObject::loadImage(QTextDocument* doc, const QUrl& source,
 
     auto full_entry_path = entry->getFullPath();
     auto source_url = source;
-    connect(job, &NetJob::succeeded, this, [this, doc, full_entry_path, source_url, posInDocument] {
-        qDebug() << "Loaded resource at" << full_entry_path;
-
-        // If we flushed, don't proceed.
-        if (!m_fetching_images.contains(source_url))
-            return;
-
-        QImage image(full_entry_path);
+    auto loadImage = [this, doc, full_entry_path, source_url, posInDocument](const QImage& image) {
         doc->addResource(QTextDocument::ImageResource, source_url, image);
 
         parseImage(doc, image, posInDocument);
@@ -121,6 +114,23 @@ void VariableSizedImageObject::loadImage(QTextDocument* doc, const QUrl& source,
         doc->setPageSize(size);
 
         m_fetching_images.remove(source_url);
+    };
+    connect(job, &NetJob::succeeded, this, [this, full_entry_path, source_url, loadImage] {
+        qDebug() << "Loaded resource at:" << full_entry_path;
+        // If we flushed, don't proceed.
+        if (!m_fetching_images.contains(source_url))
+            return;
+
+        QImage image(full_entry_path);
+        loadImage(image);
+    });
+    connect(job, &NetJob::failed, this, [this, full_entry_path, source_url, loadImage](QString reason) {
+        qWarning() << "Failed resource at:" << full_entry_path << " because:" << reason;
+        // If we flushed, don't proceed.
+        if (!m_fetching_images.contains(source_url))
+            return;
+
+        loadImage(QImage());
     });
     connect(job, &NetJob::finished, job, &NetJob::deleteLater);