diff --git a/nvm.iss b/nvm.iss
index add6763..ec13d0d 100644
--- a/nvm.iss
+++ b/nvm.iss
@@ -24,7 +24,7 @@ AppPublisher={#MyAppPublisher}
 AppPublisherURL={#MyAppURL}
 AppSupportURL={#MyAppURL}
 AppUpdatesURL={#MyAppURL}
-DefaultDirName={userappdata}\{#MyAppShortName}
+DefaultDirName={localappdata}\{#MyAppShortName}
 DisableDirPage=no
 DefaultGroupName={#MyAppName}
 AllowNoIcons=yes
@@ -37,7 +37,7 @@ SolidCompression=yes
 ChangesEnvironment=yes
 DisableProgramGroupPage=yes
 ArchitecturesInstallIn64BitMode=x64
-UninstallDisplayIcon={#ProjectRoot}\{#MyIcon}
+UninstallDisplayIcon={app}\{#MyIcon}
 
 ; Version information
 VersionInfoVersion={{VERSION}}.0
@@ -437,7 +437,22 @@ end;
 procedure CurStepChanged(CurStep: TSetupStep);
 var
   path: string;
+  rootDir: string;
 begin
+  if CurStep = ssInstall then
+  begin
+    // Ensure the root directory exists
+    rootDir := ExtractFileDir(SymlinkPage.Values[0]);
+    if not DirExists(rootDir) then
+    begin
+      if not CreateDir(rootDir) then
+      begin
+        MsgBox('Failed to create root directory: ' + rootDir, mbError, MB_OK);
+        WizardForm.Close;
+      end;
+    end;
+  end;
+
   if CurStep = ssPostInstall then
   begin
     SaveStringToFile(ExpandConstant('{app}\settings.txt'), 'root: ' + ExpandConstant('{app}') + #13#10 + 'path: ' + SymlinkPage.Values[0] + #13#10, False);
@@ -532,16 +547,13 @@ end;
 Filename: "{app}\nvm.exe"; Parameters: "{code:GetNotificationString}"; Flags: waituntilidle runhidden;
 Filename: "{app}\nvm.exe"; Parameters: "{code:GetEmailRegistrationString}"; Check: isEmailSupplied; Flags: waituntilidle runhidden;
 Filename: "{cmd}"; Parameters: "/C ""mklink /D ""{code:getSymLink}"" ""{code:getCurrentVersion}"""" "; Check: isNodeAlreadyInUse; Flags: waituntilidle runhidden;
-Filename: "powershell.exe"; Parameters: "-NoExit -Command Write-Host 'Welcome to NVM for Windows v{{VERSION}}'"; Description: "Open with Powershell"; Flags: postinstall skipifsilent;
+Filename: "powershell.exe"; Parameters: "-NoExit -Command refreshenv; cls; Write-Host 'Welcome to NVM for Windows v{{VERSION}}'"; Description: "Open with Powershell"; Flags: postinstall skipifsilent;
 
 [UninstallRun]
 Filename: "{app}\nvm.exe"; Parameters: "unsubscribe --lts --current --nvm4w --author"; Flags: runhidden; RunOnceId: "UnregisterNVMForWindows";
+Filename: "{app}\nvm.exe"; Parameters: "off"; Flags: runhidden; RunOnceId: "RemoveNVMForWindowsSymlink";
+Filename: "{cmd}"; Parameters: "/C rmdir /S /Q ""{code:getSymLink}"""; Flags: runhidden; RunOnceId: "RemoveSymlink";
 
 [UninstallDelete]
-Type: files; Name: "{app}\nvm.exe";
-Type: files; Name: "{app}\elevate.cmd";
-Type: files; Name: "{app}\elevate.vbs";
-Type: files; Name: "{app}\nodejs.ico";
-Type: files; Name: "{app}\settings.txt";
-Type: filesandordirs; Name: "{userappdata}\.nvm";
 Type: filesandordirs; Name: "{app}";
+Type: filesandordirs; Name: "{localappdata}\.nvm";