diff --git a/src/Setup/Setup.c b/src/Setup/Setup.c
index fc119a81..382617ab 100644
--- a/src/Setup/Setup.c
+++ b/src/Setup/Setup.c
@@ -2252,12 +2252,15 @@ void DoInstall (void *arg)
 		&& (IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L".exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"-x86.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"-x64.exe")
+			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"-arm64.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L" Format.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L" Format-x86.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L" Format-x64.exe")
+			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L" Format-arm64.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"Expander.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"Expander-x86.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"Expander-x64.exe")
+			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L"Expander-arm64.exe")
 			|| IsFileInUse (wstring (InstallationPath) + L'\\' + _T(TC_APP_NAME) L" Setup.exe")
 			)
 		)