diff --git a/launcher/modplatform/EnsureMetadataTask.cpp b/launcher/modplatform/EnsureMetadataTask.cpp
index c3eadd06d..22581e43e 100644
--- a/launcher/modplatform/EnsureMetadataTask.cpp
+++ b/launcher/modplatform/EnsureMetadataTask.cpp
@@ -148,6 +148,7 @@ 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();
@@ -158,6 +159,7 @@ 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/flame/FlameCheckUpdate.cpp b/launcher/modplatform/flame/FlameCheckUpdate.cpp
index a2628e34c..092133f1a 100644
--- a/launcher/modplatform/flame/FlameCheckUpdate.cpp
+++ b/launcher/modplatform/flame/FlameCheckUpdate.cpp
@@ -23,7 +23,7 @@ bool FlameCheckUpdate::abort()
     return true;
 }
 
-ModPlatform::IndexedPack getProjectInfo(ModPlatform::IndexedVersion& ver_info)
+ModPlatform::IndexedPack FlameCheckUpdate::getProjectInfo(ModPlatform::IndexedVersion& ver_info)
 {
     ModPlatform::IndexedPack pack;
 
@@ -56,6 +56,7 @@ 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();
@@ -67,7 +68,7 @@ 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;
 
@@ -99,7 +100,7 @@ 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 4a98d684f..0dbd199e7 100644
--- a/launcher/modplatform/flame/FlameCheckUpdate.h
+++ b/launcher/modplatform/flame/FlameCheckUpdate.h
@@ -8,7 +8,10 @@ class FlameCheckUpdate : public CheckUpdateTask {
     Q_OBJECT
 
    public:
-    FlameCheckUpdate(QList<Mod*>& mods, std::list<Version>& mcVersions, std::optional<ResourceAPI::ModLoaderTypes> loaders, std::shared_ptr<ModFolderModel> mods_folder)
+    FlameCheckUpdate(QList<Mod*>& mods,
+                     std::list<Version>& mcVersions,
+                     std::optional<ResourceAPI::ModLoaderTypes> loaders,
+                     std::shared_ptr<ModFolderModel> mods_folder)
         : CheckUpdateTask(mods, mcVersions, loaders, mods_folder)
     {}
 
@@ -19,6 +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 b57db288a..fa5057e5c 100644
--- a/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
+++ b/launcher/modplatform/flame/FlameInstanceCreationTask.cpp
@@ -229,6 +229,7 @@ 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 ac0da2142..69f88127e 100644
--- a/launcher/modplatform/flame/FlamePackExportTask.cpp
+++ b/launcher/modplatform/flame/FlamePackExportTask.cpp
@@ -327,6 +327,7 @@ void FlamePackExportTask::getProjectsInfo()
         }
         buildZip();
     });
+    connect(projTask.get(), &Task::failed, this, &FlamePackExportTask::emitFailed);
     task.reset(projTask);
     task->start();
 }
diff --git a/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
index a7c22832a..c83ef2fd4 100644
--- a/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
+++ b/launcher/modplatform/modrinth/ModrinthCheckUpdate.cpp
@@ -73,8 +73,6 @@ 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);
@@ -83,7 +81,7 @@ 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()
                 }
             }
         } 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/ui/dialogs/ModUpdateDialog.cpp b/launcher/ui/dialogs/ModUpdateDialog.cpp
index 8618b9240..df45cbbcf 100644
--- a/launcher/ui/dialogs/ModUpdateDialog.cpp
+++ b/launcher/ui/dialogs/ModUpdateDialog.cpp
@@ -271,6 +271,8 @@ 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());
@@ -284,6 +286,8 @@ 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());
@@ -337,12 +341,14 @@ 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 {
         QString reason{ tr("Couldn't find a valid version on the selected mod provider(s)") };
 
-        m_failed_metadata.append({mod, reason});
+        m_failed_metadata.append({ mod, reason });
     }
 }
 
diff --git a/launcher/ui/pages/modplatform/flame/FlamePage.cpp b/launcher/ui/pages/modplatform/flame/FlamePage.cpp
index cef26bb6b..133a3981a 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>
@@ -42,9 +43,9 @@
 #include "FlameModel.h"
 #include "InstanceImportTask.h"
 #include "Json.h"
+#include "modplatform/flame/FlameAPI.h"
 #include "ui/dialogs/NewInstanceDialog.h"
 #include "ui/widgets/ProjectItem.h"
-#include "modplatform/flame/FlameAPI.h"
 
 static FlameAPI api;
 
@@ -171,6 +172,8 @@ void FlamePage::onSelectionChanged(QModelIndex curr, QModelIndex prev)
             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) {
@@ -252,10 +255,8 @@ void FlamePage::updateUi()
         text += "<br>" + tr(" by ") + authorStrs.join(", ");
     }
 
-    if(current.extraInfoLoaded) {
-        if (!current.extra.issuesUrl.isEmpty()
-         || !current.extra.sourceUrl.isEmpty()
-         || !current.extra.wikiUrl.isEmpty()) {
+    if (current.extraInfoLoaded) {
+        if (!current.extra.issuesUrl.isEmpty() || !current.extra.sourceUrl.isEmpty() || !current.extra.wikiUrl.isEmpty()) {
             text += "<br><br>" + tr("External links:") + "<br>";
         }
 
@@ -267,7 +268,6 @@ void FlamePage::updateUi()
             text += "- " + tr("Source code: <a href=%1>%1</a>").arg(current.extra.sourceUrl) + "<br>";
     }
 
-
     text += "<hr>";
     text += api.getModDescription(current.addonId).toUtf8();
 
diff --git a/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp b/launcher/ui/pages/modplatform/modrinth/ModrinthPage.cpp
index c71dd9038..68ce8fd63 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"
@@ -163,6 +164,8 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, QModelIndex prev)
             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();
@@ -215,6 +218,8 @@ void ModrinthPage::onSelectionChanged(QModelIndex curr, QModelIndex prev)
             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 fc678fa20..c7f74d5ac 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_TechnicPage.h"
 
 #include <QKeyEvent>
@@ -41,16 +42,15 @@
 #include "ui/dialogs/NewInstanceDialog.h"
 
 #include "BuildConfig.h"
+#include "Json.h"
 #include "TechnicModel.h"
 #include "modplatform/technic/SingleZipPackInstallTask.h"
 #include "modplatform/technic/SolderPackInstallTask.h"
-#include "Json.h"
 
 #include "Application.h"
 #include "modplatform/technic/SolderPackManifest.h"
 
-TechnicPage::TechnicPage(NewInstanceDialog* dialog, QWidget *parent)
-    : QWidget(parent), ui(new Ui::TechnicPage), dialog(dialog)
+TechnicPage::TechnicPage(NewInstanceDialog* dialog, QWidget* parent) : QWidget(parent), ui(new Ui::TechnicPage), dialog(dialog)
 {
     ui->setupUi(this);
     connect(ui->searchButton, &QPushButton::clicked, this, &TechnicPage::triggerSearch);
@@ -201,6 +201,8 @@ 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();
@@ -252,6 +254,8 @@ void TechnicPage::metadataLoaded()
         netJob->addNetAction(Net::Download::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 991b4a047..a787f61e6 100644
--- a/launcher/ui/widgets/VariableSizedImageObject.cpp
+++ b/launcher/ui/widgets/VariableSizedImageObject.cpp
@@ -101,14 +101,7 @@ 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);
@@ -120,6 +113,23 @@ 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);