$app = Get-WmiObject -Class Win32_Product | Where-Object {
$_.Name -match "7-zip"
}
$app.Uninstall()
$app = Get-WmiObject -Class Win32_Product | Where-Object {
$_.Name -match "7-Zip 9.20 (x64 edition)"
}
Used this script to delete 7zip from client computer and found no issues. But when I try to run it again got the error:
You cannot call a method on a null-valued expression.
At C:\Scripts\7zip.ps1:2 char:1
+ $app.Uninstall()
+ ~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : InvokeMethodOnNull
