diff --git a/backend/consts.js b/backend/consts.js
index 5392b4e..ba081c0 100644
--- a/backend/consts.js
+++ b/backend/consts.js
@@ -134,14 +134,6 @@ exports.CONFIG_ITEMS = {
         'key': 'ytdl_subscriptions_check_interval',
         'path': 'YoutubeDLMaterial.Subscriptions.subscriptions_check_interval'
     },
-    'ytdl_subscriptions_check_interval': {
-        'key': 'ytdl_subscriptions_check_interval',
-        'path': 'YoutubeDLMaterial.Subscriptions.subscriptions_check_interval'
-    },
-    'ytdl_subscriptions_download_delay': {
-        'key': 'ytdl_subscriptions_download_delay',
-        'path': 'YoutubeDLMaterial.Subscriptions.download_delay'
-    },
     'ytdl_subscriptions_redownload_fresh_uploads': {
         'key': 'ytdl_subscriptions_redownload_fresh_uploads',
         'path': 'YoutubeDLMaterial.Subscriptions.redownload_fresh_uploads'
diff --git a/backend/db.js b/backend/db.js
index 9a30012..a4c8080 100644
--- a/backend/db.js
+++ b/backend/db.js
@@ -155,51 +155,17 @@ exports._connectToDB = async (custom_connection_string = null) => {
     }
 }
 
-exports.registerFileDB = async (file_path, type, multiUserMode = null, sub = null, customPath = null, category = null, cropFileSettings = null, file_object = null) => {
-    let db_path = null;
-    const file_id = utils.removeFileExtension(file_path);
-    if (!file_object) file_object = generateFileObject(file_id, type, customPath || multiUserMode && multiUserMode.file_path, sub);
-    if (!file_object) {
-        logger.error(`Could not find associated JSON file for ${type} file ${file_id}`);
-        return false;
-    }
-
-    utils.fixVideoMetadataPerms(file_id, type, multiUserMode && multiUserMode.file_path);
-
-    // add thumbnail path
-    file_object['thumbnailPath'] = utils.getDownloadedThumbnail(file_id, type, customPath || multiUserMode && multiUserMode.file_path);
-
-    // if category exists, only include essential info
-    if (category) file_object['category'] = {name: category['name'], uid: category['uid']};
-
-    // modify duration
-    if (cropFileSettings) {
-        file_object['duration'] = (cropFileSettings.cropFileEnd || file_object.duration) - cropFileSettings.cropFileStart;
-    }
-
-    if (multiUserMode) file_object['user_uid'] = multiUserMode.user;
-
-    const file_obj = await registerFileDBManual(file_object);
-
-    // remove metadata JSON if needed
-    if (!config_api.getConfigItem('ytdl_include_metadata')) {
-        utils.deleteJSONFile(file_id, type, multiUserMode && multiUserMode.file_path)
-    }
-
-    return file_obj;
-}
-
-exports.registerFileDB2 = async (file_path, type, user_uid = null, category = null, sub_id = null, cropFileSettings = null, file_object = null) => {
-    if (!file_object) file_object = generateFileObject2(file_path, type);
+exports.registerFileDB = async (file_path, type, user_uid = null, category = null, sub_id = null, cropFileSettings = null, file_object = null) => {
+    if (!file_object) file_object = generateFileObject(file_path, type);
     if (!file_object) {
         logger.error(`Could not find associated JSON file for ${type} file ${file_path}`);
         return false;
     }
 
-    utils.fixVideoMetadataPerms2(file_path, type);
+    utils.fixVideoMetadataPerms(file_path, type);
 
     // add thumbnail path
-    file_object['thumbnailPath'] = utils.getDownloadedThumbnail2(file_path, type);
+    file_object['thumbnailPath'] = utils.getDownloadedThumbnail(file_path);
 
     // if category exists, only include essential info
     if (category) file_object['category'] = {name: category['name'], uid: category['uid']};
@@ -216,7 +182,7 @@ exports.registerFileDB2 = async (file_path, type, user_uid = null, category = nu
 
     // remove metadata JSON if needed
     if (!config_api.getConfigItem('ytdl_include_metadata')) {
-        utils.deleteJSONFile2(file_path, type)
+        utils.deleteJSONFile(file_path, type)
     }
 
     return file_obj;
@@ -234,36 +200,7 @@ async function registerFileDBManual(file_object) {
     return file_object;
 }
 
-function generateFileObject(id, type, customPath = null, sub = null) {
-    if (!customPath && sub) {
-        customPath = getAppendedBasePathSub(sub, config_api.getConfigItem('ytdl_subscriptions_base_path'));
-    }
-    var jsonobj = (type === 'audio') ? utils.getJSONMp3(id, customPath, true) : utils.getJSONMp4(id, customPath, true);
-    if (!jsonobj) {
-        return null;
-    }
-    const ext = (type === 'audio') ? '.mp3' : '.mp4'
-    const file_path = utils.getTrueFileName(jsonobj['_filename'], type); // path.join(type === 'audio' ? audioFolderPath : videoFolderPath, id + ext);
-    // console.
-    var stats = fs.statSync(path.join(__dirname, file_path));
-
-    var title = jsonobj.title;
-    var url = jsonobj.webpage_url;
-    var uploader = jsonobj.uploader;
-    var upload_date = jsonobj.upload_date;
-    upload_date = upload_date ? `${upload_date.substring(0, 4)}-${upload_date.substring(4, 6)}-${upload_date.substring(6, 8)}` : 'N/A';
-
-    var size = stats.size;
-
-    var thumbnail = jsonobj.thumbnail;
-    var duration = jsonobj.duration;
-    var isaudio = type === 'audio';
-    var description = jsonobj.description;
-    var file_obj = new utils.File(id, title, thumbnail, isaudio, duration, url, uploader, size, file_path, upload_date, description, jsonobj.view_count, jsonobj.height, jsonobj.abr);
-    return file_obj;
-}
-
-function generateFileObject2(file_path, type) {
+function generateFileObject(file_path, type) {
     var jsonobj = utils.getJSON(file_path, type);
     if (!jsonobj) {
         return null;
@@ -380,7 +317,7 @@ exports.importUnregisteredFiles = async () => {
             const file_is_registered = !!(files_with_same_url.find(file_with_same_url => path.resolve(file_with_same_url.path) === path.resolve(file.path)));
             if (!file_is_registered) {
                 // add additional info
-                await exports.registerFileDB2(file['path'], dir_to_check.type, dir_to_check.user_uid, null, dir_to_check.sub_id, null);
+                await exports.registerFileDB(file['path'], dir_to_check.type, dir_to_check.user_uid, null, dir_to_check.sub_id, null);
                 logger.verbose(`Added discovered file to the database: ${file.id}`);
             }
         }
@@ -388,24 +325,6 @@ exports.importUnregisteredFiles = async () => {
 
 }
 
-exports.preimportUnregisteredSubscriptionFile = async (sub, appendedBasePath) => {
-    const preimported_file_paths = [];
-
-    const files = await utils.getDownloadedFilesByType(appendedBasePath, sub.type);
-    for (let i = 0; i < files.length; i++) {
-        const file = files[i];
-        // check if file exists in db, if not add it
-        const file_is_registered = await exports.getRecord('files', {id: file.id, sub_id: sub.id});
-        if (!file_is_registered) {
-            // add additional info
-            await exports.registerFileDB2(file['path'], sub.type, sub.user_uid, null, sub.id, null, file);
-            preimported_file_paths.push(file['path']);
-            logger.verbose(`Preemptively added subscription file to the database: ${file.id}`);
-        }
-    }
-    return preimported_file_paths;
-}
-
 exports.addMetadataPropertyToDB = async (property_key) => {
     try {
         const dirs_to_check = await exports.getFileDirectoriesAndDBs();
diff --git a/backend/downloader.js b/backend/downloader.js
index dd07dab..e7fb9f3 100644
--- a/backend/downloader.js
+++ b/backend/downloader.js
@@ -194,9 +194,7 @@ async function collectInfo(download_uid) {
     let info = await getVideoInfoByURL(url, args, download_uid);
 
     if (!info) {
-        // info failed, record error and pause download
-        const error = 'Failed to get info, see server logs for specific error.';
-        await db_api.updateRecord('download_queue', {uid: download_uid}, {error: error, paused: true, running: false});
+        // info failed, error presumably already recorded
         return;
     }
 
@@ -315,7 +313,7 @@ async function downloadQueuedFile(download_uid) {
                             fs.renameSync(output_json['_filename'] + '.webm', output_json['_filename']);
                             logger.info('Renamed ' + file_name + '.webm to ' + file_name);
                         } catch(e) {
-
+                            logger.error(`Failed to rename file ${output_json['_filename']} to its appropriate extension.`);
                         }
                     }
 
@@ -333,7 +331,7 @@ async function downloadQueuedFile(download_uid) {
                     }
 
                     // registers file in DB
-                    const file_obj = await db_api.registerFileDB2(full_file_path, type, download['user_uid'], category, download['sub_id'] ? download['sub_id'] : null, options.cropFileSettings);
+                    const file_obj = await db_api.registerFileDB(full_file_path, type, download['user_uid'], category, download['sub_id'] ? download['sub_id'] : null, options.cropFileSettings);
 
                     file_objs.push(file_obj);
                 }
@@ -544,9 +542,9 @@ async function getVideoInfoByURL(url, args = [], download_uid = null) {
                     }
                     resolve(outputs.length === 1 ? outputs[0] : outputs);
                 } catch(e) {
-                    logger.error(`Error while retrieving info on video with URL ${url} with the following message: output JSON could not be parsed. Output JSON: ${output}`);
+                    const error = `Error while retrieving info on video with URL ${url} with the following message: output JSON could not be parsed. Output JSON: ${output}`;
+                    logger.error(error);
                     if (download_uid) {
-                        const error = 'Failed to get info, see server logs for specific error.';
                         await db_api.updateRecord('download_queue', {uid: download_uid}, {error: error, paused: true, running: false});
                     }
                     resolve(null);
@@ -558,7 +556,7 @@ async function getVideoInfoByURL(url, args = [], download_uid = null) {
                 }
                 if (download_uid) {
                     const error = 'Failed to get info, see server logs for specific error.';
-                    await db_api.updateRecord('download_queue', {uid: download_uid}, {error: error, paused: true, running: false});
+                    await db_api.updateRecord('download_queue', {uid: download_uid}, {error: err.stderr ? err.stderr : error, paused: true, running: false});
                 }
                 resolve(null);
             }
diff --git a/backend/subscriptions.js b/backend/subscriptions.js
index 385c5fd..244cb70 100644
--- a/backend/subscriptions.js
+++ b/backend/subscriptions.js
@@ -3,7 +3,6 @@ const path = require('path');
 const youtubedl = require('youtube-dl');
 
 const config_api = require('./config');
-const twitch_api = require('./twitch');
 const utils = require('./utils');
 const logger = require('./logger');
 
diff --git a/backend/utils.js b/backend/utils.js
index d258b4f..9c07833 100644
--- a/backend/utils.js
+++ b/backend/utils.js
@@ -144,24 +144,7 @@ function getJSONByType(type, name, customPath, openReadPerms = false) {
     return type === 'audio' ? getJSONMp3(name, customPath, openReadPerms) : getJSONMp4(name, customPath, openReadPerms)
 }
 
-function getDownloadedThumbnail(name, type, customPath = null) {
-    if (!customPath) customPath = type === 'audio' ? config_api.getConfigItem('ytdl_audio_folder_path') : config_api.getConfigItem('ytdl_video_folder_path');
-
-    let jpgPath = path.join(customPath, name + '.jpg');
-    let webpPath = path.join(customPath, name + '.webp');
-    let pngPath = path.join(customPath, name + '.png');
-
-    if (fs.existsSync(jpgPath))
-        return jpgPath;
-    else if (fs.existsSync(webpPath))
-        return webpPath;
-    else if (fs.existsSync(pngPath))
-        return pngPath;
-    else
-        return null;
-}
-
-function getDownloadedThumbnail2(file_path, type) {
+function getDownloadedThumbnail(file_path) {
     const file_path_no_extension = removeFileExtension(file_path);
 
     let jpgPath = file_path_no_extension + '.jpg';
@@ -199,29 +182,7 @@ function getExpectedFileSize(input_info_jsons) {
     return expected_filesize;
 }
 
-function fixVideoMetadataPerms(name, type, customPath = null) {
-    if (is_windows) return;
-    if (!customPath) customPath = type === 'audio' ? config_api.getConfigItem('ytdl_audio_folder_path')
-                                                   : config_api.getConfigItem('ytdl_video_folder_path');
-
-    const ext = type === 'audio' ? '.mp3' : '.mp4';
-
-    const files_to_fix = [
-        // JSONs
-        path.join(customPath, name + '.info.json'),
-        path.join(customPath, name + ext + '.info.json'),
-        // Thumbnails
-        path.join(customPath, name + '.webp'),
-        path.join(customPath, name + '.jpg')
-    ];
-
-    for (const file of files_to_fix) {
-        if (!fs.existsSync(file)) continue;
-        fs.chmodSync(file, 0o644);
-    }
-}
-
-function fixVideoMetadataPerms2(file_path, type) {
+function fixVideoMetadataPerms(file_path, type) {
     if (is_windows) return;
 
     const ext = type === 'audio' ? '.mp3' : '.mp4';
@@ -243,19 +204,7 @@ function fixVideoMetadataPerms2(file_path, type) {
     }
 }
 
-function deleteJSONFile(name, type, customPath = null) {
-    if (!customPath) customPath = type === 'audio' ? config_api.getConfigItem('ytdl_audio_folder_path')
-                                                   : config_api.getConfigItem('ytdl_video_folder_path');
-
-    const ext = type === 'audio' ? '.mp3' : '.mp4';
-    let json_path = path.join(customPath, name + '.info.json');
-    let alternate_json_path = path.join(customPath, name + ext + '.info.json');
-
-    if (fs.existsSync(json_path)) fs.unlinkSync(json_path);
-    if (fs.existsSync(alternate_json_path)) fs.unlinkSync(alternate_json_path);
-}
-
-function deleteJSONFile2(file_path, type) {
+function deleteJSONFile(file_path, type) {
     const ext = type === 'audio' ? '.mp3' : '.mp4';
 
     const file_path_no_extension = removeFileExtension(file_path);
@@ -291,7 +240,6 @@ async function removeIDFromArchive(archive_path, id) {
     const updatedData = dataArray.join('\n');
     await fs.writeFile(archive_path, updatedData);
     if (line) return line;
-    if (err) throw err;
 }
 
 function durationStringToNumber(dur_str) {
@@ -429,12 +377,9 @@ module.exports = {
     getJSON: getJSON,
     getTrueFileName: getTrueFileName,
     getDownloadedThumbnail: getDownloadedThumbnail,
-    getDownloadedThumbnail2: getDownloadedThumbnail2,
     getExpectedFileSize: getExpectedFileSize,
     fixVideoMetadataPerms: fixVideoMetadataPerms,
-    fixVideoMetadataPerms2: fixVideoMetadataPerms2,
     deleteJSONFile: deleteJSONFile,
-    deleteJSONFile2: deleteJSONFile2,
     removeIDFromArchive: removeIDFromArchive,
     getDownloadedFilesByType: getDownloadedFilesByType,
     createContainerZipFile: createContainerZipFile,