# Appl_ISMSapplInstalled

> Searches HKLM\Software\Microsoft\MS setup (acme)\table files for the specified string.

Source: https://docs.capaone.com/capainstaller/vb-scripting-library/application-functions/appl-ismsapplinstalled/  
Product: CapaInstaller — a separate CapaSystems product; do not apply this page to any other.

### Description

Searches HKLM\Software\Microsoft\MS setup (acme)\table files for the specified string

### Syntax

Appl_IsMSApplInstalled(sSearchString) as Boolean

### Parameters

#### sSearchString (String)

### Return value

gbValue returns TRUE if sSearchString is found

### Example

**VBScript**

```vb
If bStatus Then bStatus = Appl_IsMSApplInstalled("Microsoft technet@v9903.02 (1033)")
If bStatus and gbValue Then
	bStatus = Sys_BreakthruMsgBox("Microsoft Technet already installed", "OK", "OK", "", "INFORMATION", TRUE)
End If 
```

[Scripting Guidelines](/capainstaller/vb-scripting-library/scripting-guidelines/)

### Related functions

[Application functions](/capainstaller/vb-scripting-library/application-functions/) [Constants](/capainstaller/vb-scripting-library/addendum/constants/) [Package Property](/capainstaller/vb-scripting-library/addendum/package-property/) [Variables](/capainstaller/vb-scripting-library/addendum/variables/)