diff --git a/CHANGELOG.md b/CHANGELOG.md
index a685eacf3e..0bcc94c162 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@
 - **install:** Fix download from private GitHub repositories ([#5361](https://github.com/ScoopInstaller/Scoop/issues/5361))
 - **scoop-info:** Fix errors in file size collection when `--verbose` ([#5352](https://github.com/ScoopInstaller/Scoop/pull/5352))
 - **shim:** Use bash executable directly ([#5433](https://github.com/ScoopInstaller/Scoop/issues/5433))
+- **scoop-checkup:** Skip defender check in Windows Sandbox ([#5519]https://github.com/ScoopInstaller/Scoop/issues/5519)
 
 ### Performance Improvements
 
diff --git a/libexec/scoop-checkup.ps1 b/libexec/scoop-checkup.ps1
index a775ec3964..6b2ed4760c 100644
--- a/libexec/scoop-checkup.ps1
+++ b/libexec/scoop-checkup.ps1
@@ -10,7 +10,7 @@ $defenderIssues = 0
 
 $adminPrivileges = ([System.Security.Principal.WindowsPrincipal] [System.Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)
 
-if ($adminPrivileges) {
+if ($adminPrivileges -and $env:USERNAME -ne 'WDAGUtilityAccount') {
     $defenderIssues += !(check_windows_defender $false)
     $defenderIssues += !(check_windows_defender $true)
 }