How to delete a .MSI-Package from server and what happens if not cleaned?

Hi all,

i mark a software package (.msi) as remove in the GPO list softwareinstallation at Computer > Policys > Software settings > Softwareinstallation and since this action, the package is not listed anymore, but when i check the serverapps by using the following command, i always get the feedback, that the installation file is still there...does anybody know the reason and how to delete it completely?

Here comes the command and the results:

addiag.exe /verbose /user:false /test:serverapps

========================= Managed Applications (Server) ========================
=

Machine dump for DOMAIN.LOCAL
Dumping GPO list (1 items)...
        GPO GUID: {AA0D5406-FE4D-4070-ACFF-51C76399AA0E}
        Name: Software_Kaspersky_KES10WKS
                Kaspersky Endpoint Security 10 für Windows
                        Object GUID: {46357271-0083-4B89-BB00-26E6CB309103}
                        CN: 5aeb288d-4b04-4420-948e-b3089cf4a826
                        Package Flags:
                                PostBeta3
                                Uninstall
                        Deployed on: 01/14/2017 19:03:32
                        Changed on: 01/16/2017 09:48:02
                        MsiFileList: \\WHDE-DC01\Software\Sicherheit\Kaspersky\K
ES10WKS\Kes10win.msi
                        ProductCode: {7A4192A1-84C4-4E90-A31B-B4847CA8E23A}
                        Revision Count: 1
                        UI Level: Full

Y:\Program Files (x86)\Support Tools>

Its a Windows 2008R2 Server

I try to uninstall via msiexec /uninstall GUID or * /x *.msi but it doenst work and when i take the policy from the centralstore manually, the entry still exists. What can i do here? Thanks for helping me!