diff --git a/ArchiSteamFarm/ArchiWebHandler.cs b/ArchiSteamFarm/ArchiWebHandler.cs
index d8f0c0c61..abeb45fc6 100644
--- a/ArchiSteamFarm/ArchiWebHandler.cs
+++ b/ArchiSteamFarm/ArchiWebHandler.cs
@@ -921,24 +921,22 @@ namespace ArchiSteamFarm {
 
 			await SessionSemaphore.WaitAsync().ConfigureAwait(false);
 
-			if (DateTime.Now.Subtract(LastSessionRefreshCheck).TotalSeconds < MinSessionTTL) {
+			try {
+				if (DateTime.Now.Subtract(LastSessionRefreshCheck).TotalSeconds < MinSessionTTL) {
+					return true;
+				}
+
+				bool? isLoggedIn = await IsLoggedIn().ConfigureAwait(false);
+				if (isLoggedIn.GetValueOrDefault(true)) {
+					LastSessionRefreshCheck = DateTime.Now;
+					return true;
+				} else {
+					Logging.LogGenericInfo("Refreshing our session!", Bot.BotName);
+					return await Bot.RefreshSession().ConfigureAwait(false);
+				}
+			} finally {
 				SessionSemaphore.Release();
-				return true;
 			}
-
-			bool result;
-
-			bool? isLoggedIn = await IsLoggedIn().ConfigureAwait(false);
-			if (isLoggedIn.GetValueOrDefault(true)) {
-				result = true;
-				LastSessionRefreshCheck = DateTime.Now;
-			} else {
-				Logging.LogGenericInfo("Refreshing our session!", Bot.BotName);
-				result = await Bot.RefreshSession().ConfigureAwait(false);
-			}
-
-			SessionSemaphore.Release();
-			return result;
 		}
 
 		private async Task<bool> UnlockParentalAccount(string parentalPin) {
diff --git a/ArchiSteamFarm/CardsFarmer.cs b/ArchiSteamFarm/CardsFarmer.cs
index 5d8d24122..1bd949778 100755
--- a/ArchiSteamFarm/CardsFarmer.cs
+++ b/ArchiSteamFarm/CardsFarmer.cs
@@ -47,7 +47,7 @@ namespace ArchiSteamFarm {
 			[JsonProperty]
 			internal ushort CardsRemaining { get; set; }
 
-			internal string HeaderURL => "https://steamcdn-a.akamaihd.net/steam/apps/" + AppID + "/header.jpg";
+			//internal string HeaderURL => "https://steamcdn-a.akamaihd.net/steam/apps/" + AppID + "/header.jpg";
 
 			internal Game(uint appID, string gameName, float hoursPlayed, ushort cardsRemaining) {
 				if ((appID == 0) || string.IsNullOrEmpty(gameName) || (hoursPlayed < 0) || (cardsRemaining == 0)) {
@@ -146,30 +146,30 @@ namespace ArchiSteamFarm {
 
 			await FarmingSemaphore.WaitAsync().ConfigureAwait(false);
 
-			if (NowFarming || ManualMode || Bot.PlayingBlocked) {
-				FarmingSemaphore.Release(); // We have nothing to do, don't forget to release semaphore
-				return;
+			try {
+				if (NowFarming || ManualMode || Bot.PlayingBlocked) {
+					return;
+				}
+
+				if (!await IsAnythingToFarm().ConfigureAwait(false)) {
+					Logging.LogGenericInfo("We don't have anything to farm on this account!", Bot.BotName);
+					await Bot.OnFarmingFinished(false).ConfigureAwait(false);
+					return;
+				}
+
+				Logging.LogGenericInfo("We have a total of " + GamesToFarm.Count + " games (" + GamesToFarm.Sum(game => game.CardsRemaining) + " cards) to farm on this account...", Bot.BotName);
+
+				// This is the last moment for final check if we can farm
+				if (Bot.PlayingBlocked) {
+					Logging.LogGenericInfo("But account is currently occupied, so farming is stopped!", Bot.BotName);
+					return;
+				}
+
+				KeepFarming = NowFarming = true;
+			} finally {
+				FarmingSemaphore.Release();
 			}
 
-			if (!await IsAnythingToFarm().ConfigureAwait(false)) {
-				FarmingSemaphore.Release(); // We have nothing to do, don't forget to release semaphore
-				Logging.LogGenericInfo("We don't have anything to farm on this account!", Bot.BotName);
-				await Bot.OnFarmingFinished(false).ConfigureAwait(false);
-				return;
-			}
-
-			Logging.LogGenericInfo("We have a total of " + GamesToFarm.Count + " games (" + GamesToFarm.Sum(game => game.CardsRemaining) + " cards) to farm on this account...", Bot.BotName);
-
-			// This is the last moment for final check if we can farm
-			if (Bot.PlayingBlocked) {
-				Logging.LogGenericInfo("But account is currently occupied, so farming is stopped!", Bot.BotName);
-				FarmingSemaphore.Release(); // We have nothing to do, don't forget to release semaphore
-				return;
-			}
-
-			KeepFarming = NowFarming = true;
-			FarmingSemaphore.Release(); // From this point we allow other calls to shut us down
-
 			do {
 				// Now the algorithm used for farming depends on whether account is restricted or not
 				if (Bot.BotConfig.CardDropsRestricted) { // If we have restricted card drops, we use complex algorithm
@@ -223,27 +223,29 @@ namespace ArchiSteamFarm {
 
 			await FarmingSemaphore.WaitAsync().ConfigureAwait(false);
 
-			if (!NowFarming) {
+			try {
+				if (!NowFarming) {
+					return;
+				}
+
+				Logging.LogGenericInfo("Sending signal to stop farming", Bot.BotName);
+				KeepFarming = false;
+				FarmResetEvent.Set();
+
+				Logging.LogGenericInfo("Waiting for reaction...", Bot.BotName);
+				for (byte i = 0; (i < 5) && NowFarming; i++) {
+					await Task.Delay(1000).ConfigureAwait(false);
+				}
+
+				if (NowFarming) {
+					Logging.LogGenericWarning("Timed out!", Bot.BotName);
+				}
+
+				Logging.LogGenericInfo("Farming stopped!", Bot.BotName);
+				Bot.OnFarmingStopped();
+			} finally {
 				FarmingSemaphore.Release();
-				return;
 			}
-
-			Logging.LogGenericInfo("Sending signal to stop farming", Bot.BotName);
-			KeepFarming = false;
-			FarmResetEvent.Set();
-
-			Logging.LogGenericInfo("Waiting for reaction...", Bot.BotName);
-			for (byte i = 0; (i < 5) && NowFarming; i++) {
-				await Task.Delay(1000).ConfigureAwait(false);
-			}
-
-			if (NowFarming) {
-				Logging.LogGenericWarning("Timed out!", Bot.BotName);
-			}
-
-			Logging.LogGenericInfo("Farming stopped!", Bot.BotName);
-			Bot.OnFarmingStopped();
-			FarmingSemaphore.Release();
 		}
 
 		internal void OnDisconnected() => StopFarming().Forget();
diff --git a/ArchiSteamFarm/MobileAuthenticator.cs b/ArchiSteamFarm/MobileAuthenticator.cs
index 005444748..59ab10719 100644
--- a/ArchiSteamFarm/MobileAuthenticator.cs
+++ b/ArchiSteamFarm/MobileAuthenticator.cs
@@ -276,14 +276,17 @@ namespace ArchiSteamFarm {
 
 			await TimeSemaphore.WaitAsync().ConfigureAwait(false);
 
-			if (!SteamTimeDifference.HasValue) {
-				uint serverTime = Bot.ArchiWebHandler.GetServerTime();
-				if (serverTime != 0) {
-					SteamTimeDifference = (short) (serverTime - Utilities.GetUnixTime());
+			try {
+				if (!SteamTimeDifference.HasValue) {
+					uint serverTime = Bot.ArchiWebHandler.GetServerTime();
+					if (serverTime != 0) {
+						SteamTimeDifference = (short) (serverTime - Utilities.GetUnixTime());
+					}
 				}
+			} finally {
+				TimeSemaphore.Release();
 			}
 
-			TimeSemaphore.Release();
 			return (uint) (Utilities.GetUnixTime() + SteamTimeDifference.GetValueOrDefault());
 		}