diff --git a/.github/workflows/electron.yml b/.github/workflows/electron.yml
index 4b7544326..36cf88960 100644
--- a/.github/workflows/electron.yml
+++ b/.github/workflows/electron.yml
@@ -115,7 +115,9 @@ jobs:
           Write-Host "Spectre libs present: $($found.FullName)"
 
       - name: Install dependencies
-        run: npm ci
+        run: |
+          npm ci
+          node scripts/install-windows-sharp.cjs
 
       # Bundled plugins are counted as downloads in the plugin store, so a
       # build only fetches them when the pins change.
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 919a3e603..bc1da26fd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -53,6 +53,7 @@
 
 - Linking the desktop app to a server no longer stalls on the server dashboard after sign in
 - Exporting your data no longer fails when a plugin table has a text key, like saved passkeys
+- The Windows on ARM desktop app starts again instead of failing with a local server error
 
 ### Removed
 
diff --git a/scripts/install-windows-sharp.cjs b/scripts/install-windows-sharp.cjs
new file mode 100644
index 000000000..1a6a1391e
--- /dev/null
+++ b/scripts/install-windows-sharp.cjs
@@ -0,0 +1,26 @@
+const fs = require("node:fs");
+const path = require("node:path");
+const { execFileSync } = require("node:child_process");
+
+function findPackage(start) {
+  let directory = path.dirname(start);
+  while (directory !== path.dirname(directory)) {
+    const manifest = path.join(directory, "package.json");
+    if (fs.existsSync(manifest)) return JSON.parse(fs.readFileSync(manifest));
+    directory = path.dirname(directory);
+  }
+  throw new Error("Could not locate the installed sharp package manifest");
+}
+
+// The build runs on x64 but ships arm64 and ia32 too, so npm ci alone
+// only installs the x64 binary.
+const sharpPackage = findPackage(require.resolve("sharp"));
+const packages = [
+  "@img/sharp-win32-arm64",
+  "@img/sharp-win32-ia32",
+  "@img/sharp-win32-x64",
+].map((name) => `${name}@${sharpPackage.optionalDependencies[name]}`);
+
+execFileSync("npm.cmd", ["install", "--force", "--no-save", ...packages], {
+  stdio: "inherit",
+});