50 lines
1.9 KiB
PowerShell
50 lines
1.9 KiB
PowerShell
# $APP_NAME must be set by the calling script or specified here
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# Get all of the uninstall registry keys
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$UNINSTALL_KEYS = Get-ChildItem -Path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
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$UNINSTALL_KEYS += Get-ChildItem -Path HKLM:\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall
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Function Get-GUIDFromMSIUninstallString {
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param([string]$str)
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$start = $str.IndexOf('{') + 1
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$end = $str.IndexOf('}')
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Return $str.Substring($start, $end - $start)
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}
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Foreach ( $reg in $UNINSTALL_KEYS ) {
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# Get the uninstall key
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$REG_PROPERTY = Get-ItemProperty -Path $reg.PSPath
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# Get the display name of the app
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$DISPLAY_NAME = $REG_PROPERTY.DisplayName
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# Get the UninstallString
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$UNINSTALLSTRING = $REG_PROPERTY.UninstallString
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# Get the ModifyPath
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$MODIFYPATH = $REG_PROPERTY.ModifyPath
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# Make sure the DisplayName matches what we're looking for
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If ( $DISPLAY_NAME -ilike $APP_NAME ) {
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# Make sure the software was installed using an MSI
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If ( $REG_PROPERTY.WindowsInstaller -eq 1 ) {
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# Get the product code from the UninstallString
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If ( $UNINSTALLSTRING ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $UNINSTALLSTRING) }
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# Get the product code from the ModifyPath
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ElseIf ( $MODIFYPATH ) { $PRODUCT_CODE = $(Get-GUIDFromMSIUninstallString -str $MODIFYPATH) }
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# Uninstall the app
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If ( $PRODUCT_CODE ) {
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LogMsg "Uninstalling ${DISPLAY_NAME} ${PRODUCT_CODE}"
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$arguments = '/X{' + $PRODUCT_CODE + '} /qn /norestart'
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Try { Start-Process -FilePath "msiexec.exe" -ArgumentList $arguments -Wait }
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Catch { LogErr $_.Exception.Message }
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}
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}
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Else {
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LogMsg "Cannot uninstall ""${DISPLAY_NAME}""`n UninstallString: ${UNINSTALLSTRING}"
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}
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}
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}
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