diff --git a/src/FilterLists.Web.V2/src/shared/buttons/subscribe/SubscribeButton.tsx b/src/FilterLists.Web.V2/src/shared/buttons/subscribe/SubscribeButton.tsx
index a1579964c..43d7b37b2 100644
--- a/src/FilterLists.Web.V2/src/shared/buttons/subscribe/SubscribeButton.tsx
+++ b/src/FilterLists.Web.V2/src/shared/buttons/subscribe/SubscribeButton.tsx
@@ -17,16 +17,22 @@ export const SubscribeButton = (props: Props): JSX.Element =>
   (props.viewUrlMirrors && props.viewUrlMirrors.length)
     ? <ButtonDropdown {...props} />
     : <div>
-      <Button className={styles.single} size="small" {...buildButtonProps(props.name, props.viewUrl)}>Subscribe</Button>
+      <Button disabled={buildButtonProps(props.name, props.viewUrl)[1]}
+        className={styles.single} size="small"
+        {...buildButtonProps(props.name, props.viewUrl)[0]}>
+        Subscribe
+        </Button>
     </div>;
 
 const ButtonDropdown = (props: Props): JSX.Element => {
   var buttonProps = buildButtonProps(props.name, props.viewUrl);
-  return <Dropdown.Button size="small"
+  return <Dropdown.Button
+    disabled={buttonProps[1]}
+    size="small"
     placement="bottomRight"
-    type={buttonProps.type as DropdownButtonType}
-    href={buttonProps.href}
-    title={buttonProps.title}
+    type={buttonProps[0].type as DropdownButtonType}
+    href={buttonProps[0].href}
+    title={buttonProps[0].title}
     overlay={<DropdownOverlay viewUrlMirrors={props.viewUrlMirrors} name={props.name} />}>
     Subscribe
   </Dropdown.Button>;
@@ -41,13 +47,18 @@ const DropdownOverlay = (props: DropdownOverlayProps) =>
   <Menu>
     {props.viewUrlMirrors.map((viewUrlMirror: string, i: number) =>
       <Menu.Item className={styles.sub_li} key={i}>
-        <Button className={styles.sub_a} size="small" {...buildButtonProps(props.name, viewUrlMirror)}>{`Mirror ${i + 1}`}</Button>
+        <Button disabled={buildButtonProps(props.name, viewUrlMirror)[1]}
+          className={styles.sub_a} size="small"
+          {...buildButtonProps(props.name, viewUrlMirror)[0]}>
+          {`Mirror ${i + 1}`}
+        </Button>
       </Menu.Item>
     )}
   </Menu>;
 
-const buildButtonProps = (name: string, viewUrl: string): ButtonProps => {
+const buildButtonProps = (name: string, viewUrl: string): [ButtonProps, boolean] => {
   let type: ButtonType = "primary";
+  let disabled: boolean = false;
 
   const hrefLocation = `${encodeURIComponent(viewUrl)}`;
   const hrefTitle = `${encodeURIComponent(name)}`;
@@ -68,8 +79,9 @@ const buildButtonProps = (name: string, viewUrl: string): ButtonProps => {
 
   // Software protocols
   if (viewUrl.includes(".tpl")) {
-    href = `javascript:window.external.msAddTrackingProtectionList('${hrefLocation}', '${hrefTitle}')`;
-    message = `Subscribe to ${name} with Internet Explorer's Tracking Protection List feature.`;
+    disabled = true; // IE not supported by FilterLists
+    // href = `javascript:window.external.msAddTrackingProtectionList('${hrefLocation}', '${hrefTitle}')`;
+    // message = `Subscribe to ${name} with Internet Explorer's Tracking Protection List feature.`;
   }
   if (viewUrl.includes(".lsrules") || viewUrl.includes("?hostformat=littlesnitch")) {
     href = `x-littlesnitch:subscribe-rules?url=${hrefLocation}`;
@@ -78,5 +90,5 @@ const buildButtonProps = (name: string, viewUrl: string): ButtonProps => {
 
   const title = `${prefixes.length ? prefixes.join(" | ") + " | " : ""}${message}`;
 
-  return { type, href, title }
+  return [{ type, href, title }, disabled]
 }