diff --git a/app/src/components/Mod.tsx b/app/src/components/Mod.tsx
index e3ebb47..dd65e06 100644
--- a/app/src/components/Mod.tsx
+++ b/app/src/components/Mod.tsx
@@ -32,16 +32,23 @@ export const Mod: FunctionalComponent<ModParams> = ({ mod }) => {
 
         setInstalling(true);
 
-        await invoke_proxy("install_mod", {
-            modId: mod.id,
+        const instance = await invoke_proxy("get_active_instance", {
             gameId: mod.game_id,
-            instanceId: await invoke_proxy("get_active_instance", {
-                gameId: mod.game_id,
-            }),
         });
 
+        if (instance) {
+            const instanceId = instance.id;
+
+            await invoke_proxy("install_mod", {
+                modId: mod.id,
+                gameId: mod.game_id,
+                instanceId,
+            });
+
+            setInstalled(!installed);
+        }
+
         setInstalling(false);
-        setInstalled(!installed);
 
         // TODO: add writing to mods.json when mod is installed
     };
diff --git a/app/src/invoke.ts b/app/src/invoke.ts
index 31e2349..0fdd9ed 100644
--- a/app/src/invoke.ts
+++ b/app/src/invoke.ts
@@ -71,7 +71,7 @@ export interface InvokeFunction {
     read_mod_json: [undefined, ModsIntegrity];
 
     update_description: [InstanceUpdateArgs, undefined];
-    get_active_instance: [GameArgs, number];
+    get_active_instance: [GameArgs, InstanceInfo | undefined];
     set_active_instance: [InstanceArgs, undefined];
 
     delete_instance: [InstanceArgs, undefined];
diff --git a/app/src/routes/Instance.tsx b/app/src/routes/Instance.tsx
index 1eb16f3..ba2ccd9 100644
--- a/app/src/routes/Instance.tsx
+++ b/app/src/routes/Instance.tsx
@@ -66,9 +66,10 @@ export const Instance = () => {
     };
 
     const launch = async () => {
-        await invoke_proxy("launch", {
-            instanceId: instanceInfo?.id || -1,
-        });
+        if (instanceInfo)
+            await invoke_proxy("launch", {
+                instanceId: instanceInfo.id,
+            });
     };
 
     return (
diff --git a/app/src/routes/mods/Browse.tsx b/app/src/routes/mods/Browse.tsx
index 07dc030..0cee34b 100644
--- a/app/src/routes/mods/Browse.tsx
+++ b/app/src/routes/mods/Browse.tsx
@@ -70,6 +70,9 @@ export const Browse = () => {
         setPages(0);
 
         (async () => {
+            setInstance(-1);
+            setInstanceText("Unknown");
+
             const data = await invoke_proxy("get_mods", {
                 gameId,
                 count: perPage,
@@ -81,6 +84,16 @@ export const Browse = () => {
 
             if (page > data.pages) setPage(data.pages - 1);
 
+            const defaultInstance = await invoke_proxy(
+                "get_active_instance",
+                { gameId }
+            );
+
+            if (defaultInstance) {
+                setInstance(defaultInstance.id);
+                setInstanceText(defaultInstance.name);
+            }
+
             if (initialLoad) {
                 setInstances(
                     (await invoke_proxy("get_instances", undefined)).map(
diff --git a/common/src/instances/instance.rs b/common/src/instances/instance.rs
index d5ae883..d9383a8 100644
--- a/common/src/instances/instance.rs
+++ b/common/src/instances/instance.rs
@@ -83,20 +83,23 @@ impl Instance {
                     KSPGame::KSP1 => instance
                         .install_path
                         .join("KSP_x64_Data/Plugins/x86_64/steam_api64.dll"),
+
                     KSPGame::KSP2 => instance
                         .install_path
-                        .join("KSP2_x64_Data/Plugins/x86_64/steam_api64.dll`"),
+                        .join("KSP2_x64_Data/Plugins/x86_64/steam_api64.dll"),
                 };
 
-                let size = api_dll.metadata().unwrap().len();
+                if api_dll.exists() {
+                    let size = api_dll.metadata().unwrap().len();
 
-                let needed_size = match instance.game {
-                    KSPGame::KSP1 => KSP1_STEAM_API_SIZE,
-                    KSPGame::KSP2 => KSP2_STEAM_API_SIZE,
-                };
+                    let needed_size = match instance.game {
+                        KSPGame::KSP1 => KSP1_STEAM_API_SIZE,
+                        KSPGame::KSP2 => KSP2_STEAM_API_SIZE,
+                    };
 
-                if size == needed_size {
-                    final_instances.push(instance);
+                    if size == needed_size {
+                        final_instances.push(instance);
+                    }
                 }
             }
         }
diff --git a/gui/src/main.rs b/gui/src/main.rs
index 159818f..220d4fd 100644
--- a/gui/src/main.rs
+++ b/gui/src/main.rs
@@ -176,14 +176,10 @@ fn read_mod_json() -> Mods {
 }
 
 #[tauri::command]
-fn get_active_instance(game_id: i32) -> i32 {
+fn get_active_instance(game_id: i32) -> Option<Instance> {
     let instance = Instance::get_active_instance(KSPGame::from_id(game_id).unwrap());
 
-    if let Some(instance) = instance {
-        return instance.id;
-    }
-
-    return -1;
+    return instance;
 }
 
 #[tauri::command]