diff --git a/libs/msc-flash/msc-flash-harmony/src/lib/services/unpack-flashing-image.ts b/libs/msc-flash/msc-flash-harmony/src/lib/services/unpack-flashing-image.ts
index 75f6e9a5a1..2cba1c2e47 100644
--- a/libs/msc-flash/msc-flash-harmony/src/lib/services/unpack-flashing-image.ts
+++ b/libs/msc-flash/msc-flash-harmony/src/lib/services/unpack-flashing-image.ts
@@ -19,8 +19,10 @@ export const unpackFlashingImageService = async (
     command = `tar -xf "${imageFilePath}" -C "${osDownloadLocation}"`
   }
   if (process.platform === "win32") {
-    const imageFilePath = path.join(osDownloadLocation, fileName)
-    command = `tar -xzvf "${imageFilePath}" -C "${osDownloadLocation}"`
+    const imageFilePathTarGz = path.join(osDownloadLocation, fileName)
+    const baseName = path.basename(fileName, ".tar.gz");
+    const imageFilePathTar = path.join(osDownloadLocation, `${baseName}.tar`, `${baseName}.tar`)
+    command = `tar -xzvf "${imageFilePathTarGz}" -C "${osDownloadLocation}" && tar -xvf "${imageFilePathTar}" -C "${osDownloadLocation}" `
   }
 
   try {
diff --git a/libs/shared/utils/src/lib/exec-command-with-sudo.ts b/libs/shared/utils/src/lib/exec-command-with-sudo.ts
index 00bf4538d8..d61e17b1b9 100644
--- a/libs/shared/utils/src/lib/exec-command-with-sudo.ts
+++ b/libs/shared/utils/src/lib/exec-command-with-sudo.ts
@@ -7,7 +7,7 @@ import sudoPrompt from "@vscode/sudo-prompt"
 
 export const execCommandWithSudo = (
   command: string,
-  options?: { name?: string; icns?: string; env?: { [key: string]: string } }
+  options: { name?: string; icns?: string; env?: { [key: string]: string } } = {}
 ): Promise<string | void> => {
   return new Promise((resolve, reject) => {
     sudoPrompt.exec(command, options, (error, stdout, stderr) => {