diff --git a/backend/requirements.txt b/backend/requirements.txt
index ffe86be..ec4069e 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -1,6 +1,7 @@
 fastapi==0.115.6
 uvicorn[standard]==0.34.0
 python-pam==2.0.2
+six==1.17.0
 PyJWT==2.10.1
 psutil==6.1.1
 ptyprocess==0.7.0
diff --git a/backend/routers/files.py b/backend/routers/files.py
index 6e3cf0c..8b7ffeb 100644
--- a/backend/routers/files.py
+++ b/backend/routers/files.py
@@ -110,7 +110,13 @@ async def list_dir(
         entries = sorted(p.iterdir(), key=lambda x: (not x.is_dir(), x.name.lower()))
     except PermissionError:
         raise HTTPException(403, f"Permission denied: {path}")
-    return [_file_info(e) for e in entries]
+    results = []
+    for e in entries:
+        try:
+            results.append(_file_info(e))
+        except (OSError, PermissionError):
+            continue
+    return results
 
 
 @router.get("/info")
diff --git a/backend/routers/plugins/asi_bridge.py b/backend/routers/plugins/asi_bridge.py
index eb79263..e6be124 100644
--- a/backend/routers/plugins/asi_bridge.py
+++ b/backend/routers/plugins/asi_bridge.py
@@ -25,6 +25,9 @@ class MountConfig(BaseModel):
 
 
 async def _run(cmd: list[str]) -> tuple[int, str, str]:
+    import shutil
+    if not shutil.which(cmd[0]):
+        return 1, "", f"{cmd[0]}: command not found"
     proc = await asyncio.create_subprocess_exec(
         *cmd,
         stdout=asyncio.subprocess.PIPE,
@@ -195,7 +198,7 @@ async def bridge_ws(websocket: WebSocket):
                 seen_files = current_paths
 
             await asyncio.sleep(5)
-    except WebSocketDisconnect:
+    except (WebSocketDisconnect, RuntimeError):
         pass
     except Exception:
         log.exception("ASI Bridge WS error")
diff --git a/backend/routers/services.py b/backend/routers/services.py
index eb0ef2c..3f5a98f 100644
--- a/backend/routers/services.py
+++ b/backend/routers/services.py
@@ -122,7 +122,7 @@ async def service_logs(websocket: WebSocket, unit: str):
                 "unit": unit,
                 "line": line.decode(errors="replace").rstrip(),
             })
-    except WebSocketDisconnect:
+    except (WebSocketDisconnect, RuntimeError):
         pass
     except Exception:
         log.exception("log stream error for %s", unit)
diff --git a/backend/routers/settings.py b/backend/routers/settings.py
index 491bdff..4a1d2ce 100644
--- a/backend/routers/settings.py
+++ b/backend/routers/settings.py
@@ -34,6 +34,9 @@ class TimezoneRequest(BaseModel):
 
 
 async def _run(cmd: list[str]) -> tuple[int, str, str]:
+    import shutil
+    if not shutil.which(cmd[0]):
+        return 1, "", f"{cmd[0]}: command not found"
     proc = await asyncio.create_subprocess_exec(
         *cmd,
         stdout=asyncio.subprocess.PIPE,
diff --git a/frontend/js/keyboard.js b/frontend/js/keyboard.js
index fd4f11a..734884e 100644
--- a/frontend/js/keyboard.js
+++ b/frontend/js/keyboard.js
@@ -160,12 +160,15 @@
             const btn = document.createElement('button');
             btn.className = 'osk-key ' + className;
             btn.textContent = label;
+            let touchFired = false;
             btn.addEventListener('touchstart', (e) => {
                 e.preventDefault();
+                touchFired = true;
                 handler();
             });
             btn.addEventListener('click', (e) => {
                 e.preventDefault();
+                if (touchFired) { touchFired = false; return; }
                 handler();
             });
             return btn;
diff --git a/install.sh b/install.sh
index e1d3f73..7cd2eae 100755
--- a/install.sh
+++ b/install.sh
@@ -1,13 +1,13 @@
 #!/usr/bin/env bash
 # Atlus installer — targets DietPi, Armbian, Debian, Ubuntu
-# Usage: curl -sSL https://raw.githubusercontent.com/YOUR_REPO/atlus/main/install.sh | bash
+# Usage: curl -sSL https://git.bytestud.io/roberts/atlus/raw/branch/main/install.sh | sudo bash
 set -euo pipefail
 
 INSTALL_DIR="/opt/atlus"
 CONFIG_DIR="/etc/atlus"
 DATA_DIR="/var/lib/atlus"
 SERVICE_FILE="/etc/systemd/system/atlus.service"
-REPO_URL="https://github.com/YOUR_REPO/atlus.git"
+REPO_URL="https://git.bytestud.io/roberts/atlus.git"
 
 # ---------------------------------------------------------------------------
 # Helpers