diff --git a/src-tauri/src/commands/misc.rs b/src-tauri/src/commands/misc.rs
index b4dd12d93..3d78534f1 100644
--- a/src-tauri/src/commands/misc.rs
+++ b/src-tauri/src/commands/misc.rs
@@ -133,27 +133,40 @@ pub async fn get_tool_versions(
     tools: Option<Vec<String>>,
     wsl_shell_by_tool: Option<HashMap<String, WslShellPreferenceInput>>,
 ) -> Result<Vec<ToolVersion>, String> {
-    let requested: Vec<&str> = if let Some(tools) = tools.as_ref() {
-        let set: std::collections::HashSet<&str> = tools.iter().map(|s| s.as_str()).collect();
-        VALID_TOOLS
-            .iter()
-            .copied()
-            .filter(|t| set.contains(t))
-            .collect()
-    } else {
-        VALID_TOOLS.to_vec()
-    };
-    let mut results = Vec::new();
-
-    for tool in requested {
-        let pref = wsl_shell_by_tool.as_ref().and_then(|m| m.get(tool));
-        let tool_wsl_shell = pref.and_then(|p| p.wsl_shell.as_deref());
-        let tool_wsl_shell_flag = pref.and_then(|p| p.wsl_shell_flag.as_deref());
-
-        results.push(get_single_tool_version_impl(tool, tool_wsl_shell, tool_wsl_shell_flag).await);
+    // Windows: completely disable tool version detection to prevent
+    // accidentally launching apps (e.g. Claude Code) via protocol handlers.
+    #[cfg(target_os = "windows")]
+    {
+        let _ = (tools, wsl_shell_by_tool);
+        return Ok(Vec::new());
     }
 
-    Ok(results)
+    #[cfg(not(target_os = "windows"))]
+    {
+        let requested: Vec<&str> = if let Some(tools) = tools.as_ref() {
+            let set: std::collections::HashSet<&str> = tools.iter().map(|s| s.as_str()).collect();
+            VALID_TOOLS
+                .iter()
+                .copied()
+                .filter(|t| set.contains(t))
+                .collect()
+        } else {
+            VALID_TOOLS.to_vec()
+        };
+        let mut results = Vec::new();
+
+        for tool in requested {
+            let pref = wsl_shell_by_tool.as_ref().and_then(|m| m.get(tool));
+            let tool_wsl_shell = pref.and_then(|p| p.wsl_shell.as_deref());
+            let tool_wsl_shell_flag = pref.and_then(|p| p.wsl_shell_flag.as_deref());
+
+            results.push(
+                get_single_tool_version_impl(tool, tool_wsl_shell, tool_wsl_shell_flag).await,
+            );
+        }
+
+        Ok(results)
+    }
 }
 
 /// 获取单个工具的版本信息（内部实现）
diff --git a/src/components/settings/AboutSection.tsx b/src/components/settings/AboutSection.tsx
index 343ba52e6..ac0c9ffb2 100644
--- a/src/components/settings/AboutSection.tsx
+++ b/src/components/settings/AboutSection.tsx
@@ -27,6 +27,7 @@ import { relaunchApp } from "@/lib/updater";
 import { Badge } from "@/components/ui/badge";
 import { motion } from "framer-motion";
 import appIcon from "@/assets/icons/app-icon.png";
+import { isWindows } from "@/lib/platform";
 
 interface AboutSectionProps {
   isPortable: boolean;
@@ -199,7 +200,7 @@ export function AboutSection({ isPortable }: AboutSectionProps) {
       try {
         const [appVersion] = await Promise.all([
           getVersion(),
-          loadAllToolVersions(),
+          ...(isWindows() ? [] : [loadAllToolVersions()]),
         ]);
 
         if (active) {
@@ -423,165 +424,173 @@ export function AboutSection({ isPortable }: AboutSectionProps) {
         )}
       </motion.div>
 
-      <div className="space-y-3">
-        <div className="flex items-center justify-between px-1">
-          <h3 className="text-sm font-medium">{t("settings.localEnvCheck")}</h3>
-          <Button
-            size="sm"
-            variant="outline"
-            className="h-7 gap-1.5 text-xs"
-            onClick={() => loadAllToolVersions()}
-            disabled={isLoadingTools}
-          >
-            <RefreshCw
-              className={
-                isLoadingTools ? "h-3.5 w-3.5 animate-spin" : "h-3.5 w-3.5"
-              }
-            />
-            {isLoadingTools ? t("common.refreshing") : t("common.refresh")}
-          </Button>
-        </div>
-
-        <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-4 px-1">
-          {TOOL_NAMES.map((toolName, index) => {
-            const tool = toolVersions.find((item) => item.name === toolName);
-            // Special case for OpenCode (capital C), others use capitalize
-            const displayName =
-              toolName === "opencode"
-                ? "OpenCode"
-                : toolName.charAt(0).toUpperCase() + toolName.slice(1);
-            const title = tool?.version || tool?.error || t("common.unknown");
-
-            return (
-              <motion.div
-                key={toolName}
-                initial={{ opacity: 0, y: 10 }}
-                animate={{ opacity: 1, y: 0 }}
-                transition={{ duration: 0.3, delay: 0.15 + index * 0.05 }}
-                whileHover={{ scale: 1.02 }}
-                className="flex flex-col gap-2 rounded-xl border border-border bg-gradient-to-br from-card/80 to-card/40 p-4 shadow-sm transition-colors hover:border-primary/30"
-              >
-                <div className="flex items-center justify-between">
-                  <div className="flex items-center gap-2">
-                    <Terminal className="h-4 w-4 text-muted-foreground" />
-                    <span className="text-sm font-medium">{displayName}</span>
-                    {/* Environment Badge */}
-                    {tool?.env_type && ENV_BADGE_CONFIG[tool.env_type] && (
-                      <span
-                        className={`text-[9px] px-1.5 py-0.5 rounded-full border ${ENV_BADGE_CONFIG[tool.env_type].className}`}
-                      >
-                        {t(ENV_BADGE_CONFIG[tool.env_type].labelKey)}
-                      </span>
-                    )}
-                    {/* WSL Shell Selector */}
-                    {tool?.env_type === "wsl" && (
-                      <Select
-                        value={wslShellByTool[toolName]?.wslShell || "auto"}
-                        onValueChange={(v) =>
-                          handleToolShellChange(toolName, v)
-                        }
-                        disabled={isLoadingTools || loadingTools[toolName]}
-                      >
-                        <SelectTrigger className="h-6 w-[70px] text-xs">
-                          <SelectValue />
-                        </SelectTrigger>
-                        <SelectContent>
-                          <SelectItem value="auto">
-                            {t("common.auto")}
-                          </SelectItem>
-                          {WSL_SHELL_OPTIONS.map((shell) => (
-                            <SelectItem key={shell} value={shell}>
-                              {shell}
-                            </SelectItem>
-                          ))}
-                        </SelectContent>
-                      </Select>
-                    )}
-                    {/* WSL Shell Flag Selector */}
-                    {tool?.env_type === "wsl" && (
-                      <Select
-                        value={wslShellByTool[toolName]?.wslShellFlag || "auto"}
-                        onValueChange={(v) =>
-                          handleToolShellFlagChange(toolName, v)
-                        }
-                        disabled={isLoadingTools || loadingTools[toolName]}
-                      >
-                        <SelectTrigger className="h-6 w-[70px] text-xs">
-                          <SelectValue />
-                        </SelectTrigger>
-                        <SelectContent>
-                          <SelectItem value="auto">
-                            {t("common.auto")}
-                          </SelectItem>
-                          {WSL_SHELL_FLAG_OPTIONS.map((flag) => (
-                            <SelectItem key={flag} value={flag}>
-                              {flag}
-                            </SelectItem>
-                          ))}
-                        </SelectContent>
-                      </Select>
-                    )}
-                  </div>
-                  {isLoadingTools || loadingTools[toolName] ? (
-                    <Loader2 className="h-4 w-4 animate-spin text-muted-foreground" />
-                  ) : tool?.version ? (
-                    tool.latest_version &&
-                    tool.version !== tool.latest_version ? (
-                      <span className="text-[10px] px-1.5 py-0.5 rounded-full bg-yellow-500/10 text-yellow-600 dark:text-yellow-400 border border-yellow-500/20">
-                        {tool.latest_version}
-                      </span>
-                    ) : (
-                      <CheckCircle2 className="h-4 w-4 text-green-500" />
-                    )
-                  ) : (
-                    <AlertCircle className="h-4 w-4 text-yellow-500" />
-                  )}
-                </div>
-                <div
-                  className="text-xs font-mono text-muted-foreground truncate"
-                  title={title}
-                >
-                  {isLoadingTools
-                    ? t("common.loading")
-                    : tool?.version
-                      ? tool.version
-                      : tool?.error || t("common.notInstalled")}
-                </div>
-              </motion.div>
-            );
-          })}
-        </div>
-      </div>
-
-      <motion.div
-        initial={{ opacity: 0, y: 10 }}
-        animate={{ opacity: 1, y: 0 }}
-        transition={{ duration: 0.3, delay: 0.3 }}
-        className="space-y-3"
-      >
-        <h3 className="text-sm font-medium px-1">
-          {t("settings.oneClickInstall")}
-        </h3>
-        <div className="rounded-xl border border-border bg-gradient-to-br from-card/80 to-card/40 p-4 space-y-3 shadow-sm">
-          <div className="flex items-center justify-between gap-2">
-            <p className="text-xs text-muted-foreground">
-              {t("settings.oneClickInstallHint")}
-            </p>
+      {!isWindows() && (
+        <div className="space-y-3">
+          <div className="flex items-center justify-between px-1">
+            <h3 className="text-sm font-medium">
+              {t("settings.localEnvCheck")}
+            </h3>
             <Button
               size="sm"
               variant="outline"
-              onClick={handleCopyInstallCommands}
               className="h-7 gap-1.5 text-xs"
+              onClick={() => loadAllToolVersions()}
+              disabled={isLoadingTools}
             >
-              <Copy className="h-3.5 w-3.5" />
-              {t("common.copy")}
+              <RefreshCw
+                className={
+                  isLoadingTools ? "h-3.5 w-3.5 animate-spin" : "h-3.5 w-3.5"
+                }
+              />
+              {isLoadingTools ? t("common.refreshing") : t("common.refresh")}
             </Button>
           </div>
-          <pre className="text-xs font-mono bg-background/80 px-3 py-2.5 rounded-lg border border-border/60 overflow-x-auto">
-            {ONE_CLICK_INSTALL_COMMANDS}
-          </pre>
+
+          <div className="grid gap-3 sm:grid-cols-2 lg:grid-cols-4 px-1">
+            {TOOL_NAMES.map((toolName, index) => {
+              const tool = toolVersions.find((item) => item.name === toolName);
+              // Special case for OpenCode (capital C), others use capitalize
+              const displayName =
+                toolName === "opencode"
+                  ? "OpenCode"
+                  : toolName.charAt(0).toUpperCase() + toolName.slice(1);
+              const title = tool?.version || tool?.error || t("common.unknown");
+
+              return (
+                <motion.div
+                  key={toolName}
+                  initial={{ opacity: 0, y: 10 }}
+                  animate={{ opacity: 1, y: 0 }}
+                  transition={{ duration: 0.3, delay: 0.15 + index * 0.05 }}
+                  whileHover={{ scale: 1.02 }}
+                  className="flex flex-col gap-2 rounded-xl border border-border bg-gradient-to-br from-card/80 to-card/40 p-4 shadow-sm transition-colors hover:border-primary/30"
+                >
+                  <div className="flex items-center justify-between">
+                    <div className="flex items-center gap-2">
+                      <Terminal className="h-4 w-4 text-muted-foreground" />
+                      <span className="text-sm font-medium">{displayName}</span>
+                      {/* Environment Badge */}
+                      {tool?.env_type && ENV_BADGE_CONFIG[tool.env_type] && (
+                        <span
+                          className={`text-[9px] px-1.5 py-0.5 rounded-full border ${ENV_BADGE_CONFIG[tool.env_type].className}`}
+                        >
+                          {t(ENV_BADGE_CONFIG[tool.env_type].labelKey)}
+                        </span>
+                      )}
+                      {/* WSL Shell Selector */}
+                      {tool?.env_type === "wsl" && (
+                        <Select
+                          value={wslShellByTool[toolName]?.wslShell || "auto"}
+                          onValueChange={(v) =>
+                            handleToolShellChange(toolName, v)
+                          }
+                          disabled={isLoadingTools || loadingTools[toolName]}
+                        >
+                          <SelectTrigger className="h-6 w-[70px] text-xs">
+                            <SelectValue />
+                          </SelectTrigger>
+                          <SelectContent>
+                            <SelectItem value="auto">
+                              {t("common.auto")}
+                            </SelectItem>
+                            {WSL_SHELL_OPTIONS.map((shell) => (
+                              <SelectItem key={shell} value={shell}>
+                                {shell}
+                              </SelectItem>
+                            ))}
+                          </SelectContent>
+                        </Select>
+                      )}
+                      {/* WSL Shell Flag Selector */}
+                      {tool?.env_type === "wsl" && (
+                        <Select
+                          value={
+                            wslShellByTool[toolName]?.wslShellFlag || "auto"
+                          }
+                          onValueChange={(v) =>
+                            handleToolShellFlagChange(toolName, v)
+                          }
+                          disabled={isLoadingTools || loadingTools[toolName]}
+                        >
+                          <SelectTrigger className="h-6 w-[70px] text-xs">
+                            <SelectValue />
+                          </SelectTrigger>
+                          <SelectContent>
+                            <SelectItem value="auto">
+                              {t("common.auto")}
+                            </SelectItem>
+                            {WSL_SHELL_FLAG_OPTIONS.map((flag) => (
+                              <SelectItem key={flag} value={flag}>
+                                {flag}
+                              </SelectItem>
+                            ))}
+                          </SelectContent>
+                        </Select>
+                      )}
+                    </div>
+                    {isLoadingTools || loadingTools[toolName] ? (
+                      <Loader2 className="h-4 w-4 animate-spin text-muted-foreground" />
+                    ) : tool?.version ? (
+                      tool.latest_version &&
+                      tool.version !== tool.latest_version ? (
+                        <span className="text-[10px] px-1.5 py-0.5 rounded-full bg-yellow-500/10 text-yellow-600 dark:text-yellow-400 border border-yellow-500/20">
+                          {tool.latest_version}
+                        </span>
+                      ) : (
+                        <CheckCircle2 className="h-4 w-4 text-green-500" />
+                      )
+                    ) : (
+                      <AlertCircle className="h-4 w-4 text-yellow-500" />
+                    )}
+                  </div>
+                  <div
+                    className="text-xs font-mono text-muted-foreground truncate"
+                    title={title}
+                  >
+                    {isLoadingTools
+                      ? t("common.loading")
+                      : tool?.version
+                        ? tool.version
+                        : tool?.error || t("common.notInstalled")}
+                  </div>
+                </motion.div>
+              );
+            })}
+          </div>
         </div>
-      </motion.div>
+      )}
+
+      {!isWindows() && (
+        <motion.div
+          initial={{ opacity: 0, y: 10 }}
+          animate={{ opacity: 1, y: 0 }}
+          transition={{ duration: 0.3, delay: 0.3 }}
+          className="space-y-3"
+        >
+          <h3 className="text-sm font-medium px-1">
+            {t("settings.oneClickInstall")}
+          </h3>
+          <div className="rounded-xl border border-border bg-gradient-to-br from-card/80 to-card/40 p-4 space-y-3 shadow-sm">
+            <div className="flex items-center justify-between gap-2">
+              <p className="text-xs text-muted-foreground">
+                {t("settings.oneClickInstallHint")}
+              </p>
+              <Button
+                size="sm"
+                variant="outline"
+                onClick={handleCopyInstallCommands}
+                className="h-7 gap-1.5 text-xs"
+              >
+                <Copy className="h-3.5 w-3.5" />
+                {t("common.copy")}
+              </Button>
+            </div>
+            <pre className="text-xs font-mono bg-background/80 px-3 py-2.5 rounded-lg border border-border/60 overflow-x-auto">
+              {ONE_CLICK_INSTALL_COMMANDS}
+            </pre>
+          </div>
+        </motion.div>
+      )}
     </motion.section>
   );
 }