diff --git a/AltServer/AppDelegate.swift b/AltServer/AppDelegate.swift
index 71c08d21..356674bc 100644
--- a/AltServer/AppDelegate.swift
+++ b/AltServer/AppDelegate.swift
@@ -279,6 +279,13 @@ private extension AppDelegate
         
         var messageComponents = [String]()
         
+        let separator: String
+        switch error
+        {
+        case ALTServerError.maximumFreeAppLimitReached: separator = "\n\n"
+        default: separator = " "
+        }
+        
         if let errorFailure = nsError.localizedFailure
         {
             if let failureReason = nsError.localizedFailureReason
@@ -322,7 +329,7 @@ private extension AppDelegate
             messageComponents.append(recoverySuggestion)
         }
         
-        let informativeText = messageComponents.joined(separator: " ")
+        let informativeText = messageComponents.joined(separator: separator)
         alert.informativeText = informativeText
         
         NSRunningApplication.current.activate(options: .activateIgnoringOtherApps)
diff --git a/AltServer/Devices/ALTDeviceManager.mm b/AltServer/Devices/ALTDeviceManager.mm
index d8e048f2..9899f9c6 100644
--- a/AltServer/Devices/ALTDeviceManager.mm
+++ b/AltServer/Devices/ALTDeviceManager.mm
@@ -1597,15 +1597,18 @@ void ALTDeviceManagerUpdateStatus(plist_t command, plist_t status, void *uuid)
         void (^completionHandler)(NSError *) = ALTDeviceManager.sharedManager.installationCompletionHandlers[UUID];
         if (completionHandler != nil)
         {
+            NSString *localizedDescription = @(description ?: "");
+            
             if (code != 0 || name != NULL)
             {
-                NSLog(@"Error installing app. %@ (%@). %@", @(code), @(name ?: ""), @(description ?: ""));
+                NSLog(@"Error installing app. %@ (%@). %@", @(code), @(name ?: ""), localizedDescription);
                 
                 NSError *error = nil;
                 
                 if (code == 3892346913)
                 {
-                    error = [NSError errorWithDomain:AltServerErrorDomain code:ALTServerErrorMaximumFreeAppLimitReached userInfo:nil];
+                    NSDictionary *userInfo = (localizedDescription.length != 0) ? @{NSLocalizedDescriptionKey: localizedDescription} : nil;
+                    error = [NSError errorWithDomain:AltServerErrorDomain code:ALTServerErrorMaximumFreeAppLimitReached userInfo:userInfo];
                 }
                 else
                 {
@@ -1616,7 +1619,7 @@ void ALTDeviceManagerUpdateStatus(plist_t command, plist_t status, void *uuid)
                     }
                     else
                     {
-                        NSError *underlyingError = [NSError errorWithDomain:AltServerInstallationErrorDomain code:code userInfo:@{NSLocalizedDescriptionKey: @(description ?: "")}];
+                        NSError *underlyingError = [NSError errorWithDomain:AltServerInstallationErrorDomain code:code userInfo:@{NSLocalizedDescriptionKey: localizedDescription}];
                         error = [NSError errorWithDomain:AltServerErrorDomain code:ALTServerErrorInstallationFailed userInfo:@{NSUnderlyingErrorKey: underlyingError}];
                     }
                 }
diff --git a/Shared/Categories/NSError+ALTServerError.m b/Shared/Categories/NSError+ALTServerError.m
index 6a60dce7..0ce58d68 100644
--- a/Shared/Categories/NSError+ALTServerError.m
+++ b/Shared/Categories/NSError+ALTServerError.m
@@ -102,7 +102,7 @@ NSErrorUserInfoKey const ALTDeviceNameErrorKey = @"deviceName";
             return NSLocalizedString(@"An error occured while installing the app.", @"");
             
         case ALTServerErrorMaximumFreeAppLimitReached:
-            return NSLocalizedString(@"Cannot activate more than 3 apps and app extensions.", @"");
+            return NSLocalizedString(@"Cannot activate more than 3 apps with a non-developer Apple ID.", @"");
             
         case ALTServerErrorUnsupportediOSVersion:
             return NSLocalizedString(@"Your device must be running iOS 12.2 or later to install AltStore.", @"");
@@ -146,7 +146,11 @@ NSErrorUserInfoKey const ALTDeviceNameErrorKey = @"deviceName";
             return NSLocalizedString(@"Make sure Mail is running and the plug-in is enabled in Mail's preferences.", @"");
             
         case ALTServerErrorMaximumFreeAppLimitReached:
-            return NSLocalizedString(@"Make sure “Offload Unused Apps” is disabled in Settings > iTunes & App Stores, then install or delete all offloaded apps.", @"");
+#if TARGET_OS_OSX
+            return NSLocalizedString(@"Please deactivate a sideloaded app with AltStore in order to install another app.\n\nIf you're running iOS 13.5 or later, make sure 'Offload Unused Apps' is disabled in Settings > iTunes & App Stores, then install or delete all offloaded apps to prevent them from erroneously counting towards this limit.", @"");
+#else
+            return NSLocalizedString(@"Please deactivate a sideloaded app in order to install another one.\n\nIf you're running iOS 13.5 or later, make sure “Offload Unused Apps” is disabled in Settings > iTunes & App Stores, then install or delete all offloaded apps.", @"");
+#endif
             
         case ALTServerErrorRequestedAppNotRunning:
         {