Reading Reg Keys

[Bregan]

I'm having trouble getting a correct error response from using RegEnumKey, or if I try to read a specific value. Below, I'm checking for 3 different citrix client installs. The first one, I just want to check to see if the key is there, if it is, do the runas below, if not, continue. For some reason, even if the key is there, the error returns -1.

I tried to do it a different way with the new client install. I'm having it check for a specific key, if it exists to exit. However, even though it exists (and It is returning the correct value), it does not exit, but continues with the script. What am I missing here?

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Local $sUserName = "user"
Local $sPassword = "pass"
Local $sDomain = "domain"
Local $sProgram1 = "msiexec.exe /x {B2AE44CB-2AAB-4C08-A54B-D264BD604DA8}"
Local $sProgram2 = "msiexec.exe /x {E89956F9-5B89-470E-818D-BD46102D0A01}"
Local $sProgram3 = "msiexec.exe /i \\192.168.15.2\apps\XenAppHosted.msi"



;Close existing processes
ProcessClose ( "pnamain.exe" )
ProcessClose ( "wfica32.exe" )
ProcessClose ( "CdfSvc.exe" )
ProcessClose ( "ssonsvr.exe" )
ProcessClose ( "wfcrun32.exe" )
ProcessClose ( "pn.exe" )
ProcessClose ( "msiexec.exe" )
ProcessClose ( "pnagent.exe" )

; Removes old version of Citrix
RegEnumKey ( "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\{B2AE44CB-2AAB-4C08-A54B-D264BD604DA8}", 1)
If @Error = 0 Then
    RunAs ($sUserName, $sDomain, $sPassword, 0, $sProgram1)
    WinWait ( "Windows Installer" )
    Send ( "y" )
    WinWaitClose ( "Citrix Presentation Server Client" )
EndIf

RegEnumKey ( "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{E89956F9-5B89-470E-818D-BD46102D0A01}", "" )
If @Error = 0 Then
    RunAs ($sUserName, $sDomain, $sPassword, 0, $sProgram2)
    WinWait ( "Windows Installer" )
    Send ( "y" )
    WinWaitClose ( "Citrix Presentation Server Client" )
EndIf

; Installs new version of Citrix if it doesn't exist
$var3 = RegRead ( "HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{388C130B-0079-46B4-A0D5-DC2DD7A89A7B}", "DisplayVersion")

If $var3 = "11.0.0.5357" Then Exit

RunAs ($sUserName, $sDomain, $sPassword, 0, $sProgram3)
WinWait ( "Citrix XenApp Plugin for Hosted Apps Installation", "Click Finish to exit Setup." )
Send ( "{ENTER}" )