diff --git a/packages/manager/.changeset/pr-10789-changed-1724075831126.md b/packages/manager/.changeset/pr-10789-changed-1724075831126.md
new file mode 100644
index 00000000000..1a181987e1e
--- /dev/null
+++ b/packages/manager/.changeset/pr-10789-changed-1724075831126.md
@@ -0,0 +1,5 @@
+---
+"@linode/manager": Changed
+---
+
+Open LISH in a popup window rather than a new tab ([#10789](https://github.com/linode/manager/pull/10789))
diff --git a/packages/manager/.changeset/pr-10789-changed-1724075913480.md b/packages/manager/.changeset/pr-10789-changed-1724075913480.md
new file mode 100644
index 00000000000..4923307c7fb
--- /dev/null
+++ b/packages/manager/.changeset/pr-10789-changed-1724075913480.md
@@ -0,0 +1,5 @@
+---
+"@linode/manager": Changed
+---
+
+Use static number of rows in column in LISH to prevent resize and cursor positioning problems ([#10789](https://github.com/linode/manager/pull/10789))
diff --git a/packages/manager/package.json b/packages/manager/package.json
index 5598b70c01d..df94641a035 100644
--- a/packages/manager/package.json
+++ b/packages/manager/package.json
@@ -82,7 +82,6 @@
     "typescript-fsa": "^3.0.0",
     "typescript-fsa-reducers": "^1.2.0",
     "@xterm/xterm": "^5.5.0",
-    "@xterm/addon-fit": "^0.10.0",
     "yup": "^0.32.9",
     "zxcvbn": "^4.4.2"
   },
diff --git a/packages/manager/src/features/Lish/Weblish.tsx b/packages/manager/src/features/Lish/Weblish.tsx
index c99e547a6f9..d063a994c65 100644
--- a/packages/manager/src/features/Lish/Weblish.tsx
+++ b/packages/manager/src/features/Lish/Weblish.tsx
@@ -1,5 +1,4 @@
 /* eslint-disable scanjs-rules/call_addEventListener */
-import { FitAddon } from '@xterm/addon-fit';
 import { Terminal } from '@xterm/xterm';
 import * as React from 'react';
 
@@ -23,8 +22,6 @@ type CombinedProps = Props &
   Pick<LinodeLishData, 'weblish_url' | 'ws_protocols'>;
 
 export class Weblish extends React.Component<CombinedProps, State> {
-  fitAddon: FitAddon;
-
   mounted: boolean = false;
   socket: WebSocket;
 
@@ -113,26 +110,17 @@ export class Weblish extends React.Component<CombinedProps, State> {
     const { group, label } = linode;
 
     this.terminal = new Terminal({
+      cols: 120,
       cursorBlink: true,
       fontFamily: '"Ubuntu Mono", monospace, sans-serif',
+      rows: 40,
       screenReaderMode: true,
     });
 
-    this.fitAddon = new FitAddon();
-    this.terminal.loadAddon(this.fitAddon);
-
     this.terminal.onData((data: string) => this.socket.send(data));
     const terminalDiv = document.getElementById('terminal');
     this.terminal.open(terminalDiv as HTMLElement);
 
-    window.onresize = () => {
-      this.fitAddon.fit();
-    };
-
-    setInterval(() => {
-      this.fitAddon.fit();
-    }, 2000);
-
     this.terminal.writeln('\x1b[32mLinode Lish Console\x1b[m');
 
     this.socket.addEventListener('message', (evt) => {
diff --git a/packages/manager/src/features/Lish/lishUtils.ts b/packages/manager/src/features/Lish/lishUtils.ts
index 0f021267ba9..e94f56c5958 100644
--- a/packages/manager/src/features/Lish/lishUtils.ts
+++ b/packages/manager/src/features/Lish/lishUtils.ts
@@ -1,6 +1,7 @@
 export const lishLaunch = (linodeId: number) => {
   window.open(
     `${window.location.protocol}//${window.location.host}/linodes/${linodeId}/lish/weblish`,
-    `weblish_con_${linodeId}`
+    `weblish_con_${linodeId}`,
+    'width=1080,height=730,toolbar=0,resizable=1'
   );
 };
diff --git a/yarn.lock b/yarn.lock
index ae496788710..5a0696c50ca 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4789,11 +4789,6 @@
     loupe "^2.3.7"
     pretty-format "^29.7.0"
 
-"@xterm/addon-fit@^0.10.0":
-  version "0.10.0"
-  resolved "https://registry.yarnpkg.com/@xterm/addon-fit/-/addon-fit-0.10.0.tgz#bebf87fadd74e3af30fdcdeef47030e2592c6f55"
-  integrity sha512-UFYkDm4HUahf2lnEyHvio51TNGiLK66mqP2JoATy7hRZeXaGMRDr00JiSF7m63vR5WKATF605yEggJKsw0JpMQ==
-
 "@xterm/xterm@^5.5.0":
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/@xterm/xterm/-/xterm-5.5.0.tgz#275fb8f6e14afa6e8a0c05d4ebc94523ff775396"