Odnosi se na:
Microsoft .NET Framework 4,8
VAŽNO Provjerite jeste li instalirali obavezna ažuriranja navedena u odjeljku kako nabaviti ovo ažuriranje prije instaliranja ovog ažuriranja.
Sažetak
WPF1 |
-Obratio se problemu s neuspjelim rušenjem koji proizlaze iz aplikacija s dvije teme koje istodobno učitavaju resurse aplikacije. |
Runtime |
– Poboljšano je postupak čišćenja za certifikate za X509Certificate2. Dodatne informacije potražite u članku KB5001206. |
1 Windows Presentation Foundation (WPF)
Poznati problemi u ovom ažuriranju
Simptom |
Ovo se ažuriranje ne instalira i vraća neku od sljedećih poruka o pogrešci:
|
Zaobilazno rješenje |
Taj je problem ispravljen u najnovijoj sigurnosnoj i kvaliteti kumulativne obrade za .NET Framework. |
Dodatne informacije o ažuriranju
U sljedećim člancima nalaze se dodatne informacije o ažuriranju koje se odnose na pojedinačne verzije proizvoda.
-
4598500 Opis kumulativne sigurnosti i kvalitete za .NET Framework 3.5.1, 4.5.2, 4,6, 4.6.1, 4.6.2, 4,7, 4.7.1, 4.7.2, 4,8 za Windows 7 SP1 i Windows Server 2008 R2 SP1 (KB4598500)
Dohvaćanje i instalacija ažuriranja
Prije instaliranja ovog ažuriranja
Preduvjet
Da biste primijenili ovo ažuriranje, morate imati instaliran .NET Framework 4,8.
Morate instalirati ažuriranja navedena u nastavku i ponovno pokrenuti uređaj prije instaliranja najnovije kumulativne obrade. Instalacijom tih ažuriranja poboljšava se pouzdanost postupka ažuriranja i ublažava potencijalne probleme prilikom instalacije kumulativne obrade i primjene Microsoftovih sigurnosnih popravaka.
-
12. Ožujak 2019 servis za ažuriranje stog (SSU) (KB4490628). Da biste dobili samostalni paket za ovaj SSU, potražite ga u katalogu za Microsoft Update. Ovo je ažuriranje obavezno za instaliranje ažuriranja koja su potpisana samo za SHA-2.
-
Najnovije ažuriranje za SHA-2 (KB4474419) Objavljeno je 10. rujna 2019. Ako koristite Windows Update, najnovije ažuriranje SHA-2 bit će vam ponuđeno automatski. Ovo je ažuriranje obavezno za instaliranje ažuriranja koja su potpisana samo za SHA-2. Dodatne informacije o ažuriranjima za SHA-2 potražite u članku 2019 Sha-2 kod potpisivanja zahtjeva za podršku za Windows i WSUS.
-
Kolovoz 11, 2020 SSU (KB4570673) ili noviji SSU. Da biste dobili samostalni paket za ovaj SSU, potražite ga u katalogu za Microsoft Update. Važno Za tanki PC sa sustavom Windows morate imati instaliran Kolovoz 11, 2020 SSU (KB4570673) ili noviji SSU da biste bili sigurni da ćete nastaviti s proširenim sigurnosnim ažuriranjima koja započinju sa ažuriranjima za Listopad 13, 2020.
-
Paket za pripremu licenciranja (ESU) za ažuriranje (KB4538483) izdana u veljači 11., 2020. Na servisu WSUS ponudit će vam se paket za pripremu licenciranja ESU. Da biste dobili samostalni paket za paket za pripremu licenci za ESU, potražite ga u katalogu za Microsoft Update.
Instalirajte ovo ažuriranje
Kanal za oslobađanje |
Dostupna |
Sljedeći korak |
Windows Update i Microsoft Update |
Da |
Ništa. Ovo će se ažuriranje automatski preuzeti i instalirati iz servisa Windows Update ako ste klijent ESU. |
Katalog Microsoft Update |
Da |
Da biste dobili samostalni paket za ovo ažuriranje, otvorite web-mjesto Microsoft Update Catalog . |
Windows Server Update Services (WSUS) |
Da |
Ovo će se ažuriranje automatski sinkronizirati s WSUS-om ako možete konfigurirati proizvode i klasifikacije na sljedeći način: Proizvod: Windows 7 Service Pack 1, windows Server 2008 R2 servisni paket 1, Windows Embedded Standard 7 servisni paket 1, Windows Embedded pozready 7 Klasifikacija: Sigurnosno ažuriranje Napomena Ovo je ažuriranje dostupno na servisu WSUS putem 4598500. |
Potreba za ponovnim pokretanjem
Kada primijenite ovo ažuriranje, morate ponovno pokrenuti računalo ako se koriste sve zahvaćene datoteke. Preporučujemo da izađete iz svih aplikacija utemeljenih na .NET Framework prije nego što primijenite ovo ažuriranje.
Ažuriranje podataka o implementaciji
Informacije o implementaciji za ovo sigurnosno ažuriranje potražite u sljedećem članku iz Microsoftove baze znanja:
20210112 Informacije o implementaciji sigurnosnog ažuriranja: Siječanj 12, 2021
Ažuriranje podataka o uklanjanju
Napomena Ne preporučujemo da uklonite Sigurnosno ažuriranje. Da biste uklonili ovo ažuriranje, upotrijebite stavku Programi i značajke na upravljačkoj ploči.
Ažuriranje podataka o ponovnom pokretanju
Ovo ažuriranje ne zahtijeva ponovno pokretanje sustava nakon primjene, osim ako se datoteke koje se ažuriraju ne zaključavaju ili se koriste.
Informacije o zamjeni ažuriranja
Ovo ažuriranje zamjenjuje prethodno objavljena ažuriranja 4586083.
Podaci o datoteci
Engleska (Sjedinjene Američke Države) verzija ovog softvera ažurira datoteke s atributima navedenim u sljedećim tablicama.
x86
Naziv datoteke |
Verzija datoteke |
Veličina datoteke |
Datum |
Vrijeme |
---|---|---|---|---|
Aspnet_perf.dll |
4.8.4261.0 |
36.224 |
02-Dec-2020 |
22:25 |
aspnet_wp.exe |
4.8.4261.0 |
39.808 |
02-Dec-2020 |
22:25 |
clr.dll |
4.8.4311.0 |
8.037.768 |
02-Dec-2020 |
23:02 |
clrjit.dll |
4.8.4311.0 |
554.888 |
02-Dec-2020 |
23:02 |
dfdll.dll |
4.8.4290.0 |
178.040 |
02-Dec-2020 |
22:25 |
mscordacwks.dll |
4.8.4311.0 |
1.307.528 |
02-Dec-2020 |
23:02 |
mscordbi.dll |
4.8.4311.0 |
1.188.744 |
02-Dec-2020 |
23:02 |
mscoreei.dll |
4.8.4180.0 |
581.920 |
02-Dec-2020 |
22:25 |
mscorlib.dll |
4.8.4311.0 |
5.670.792 |
02-Dec-2020 |
23:02 |
Placeholder.dll |
4.8.4311.0 |
18.312 |
02-Dec-2020 |
23:02 |
VsVersion.dll |
14.8.4311.0 |
11.656 |
02-Dec-2020 |
23:02 |
PenIMC2_v0400.dll |
4.8.4311.0 |
99.720 |
02-Dec-2020 |
23:02 |
peverify.dll |
4.8.4311.0 |
182.664 |
02-Dec-2020 |
23:02 |
PresentationCore.dll |
4.8.4311.0 |
3.671.944 |
02-Dec-2020 |
23:02 |
PresentationFramework.dll |
4.8.4311.0 |
6.269.832 |
02-Dec-2020 |
22:42 |
PresentationFramework-SystemData.dll |
4.8.4311.0 |
17.800 |
02-Dec-2020 |
22:42 |
PresentationHost_v0400.dll |
4.8.4311.0 |
233.864 |
02-Dec-2020 |
23:02 |
PresentationHost_v0400.dll. MUI |
4.8.4311.0 |
77.704 |
02-Dec-2020 |
23:02 |
PresentationNative_v0400.dll |
4.8.4311.0 |
923.016 |
02-Dec-2020 |
23:02 |
ReachFramework.dll |
4.8.4110.0 |
677.656 |
02-Dec-2020 |
22:25 |
ServiceMonikerSupport.dll |
4.8.4261.0 |
24.456 |
02-Dec-2020 |
22:25 |
SMDiagnostics.dll |
4.8.4261.0 |
66.328 |
02-Dec-2020 |
22:25 |
SOS.dll |
4.8.4311.0 |
767.368 |
02-Dec-2020 |
23:02 |
System.Speech.dll |
4.8.4210.0 |
676.736 |
02-Dec-2020 |
22:25 |
System.Activities.dll |
4.8.4261.0 |
1.526.528 |
02-Dec-2020 |
22:25 |
System.Activities.Presentation.dll |
4.8.4180.0 |
2.127.136 |
02-Dec-2020 |
22:25 |
System.Core.dll |
4.8.4311.0 |
1.549.080 |
02-Dec-2020 |
22:42 |
System.IdentityModel.dll |
4.8.4261.0 |
1.086.744 |
02-Dec-2020 |
22:25 |
System.IdentityModel.Services.dll |
4.8.4261.0 |
191.352 |
02-Dec-2020 |
22:25 |
System.Printing.dll |
4.8.4110.0 |
399.640 |
02-Dec-2020 |
22:25 |
System.Runtime.Serialization.dll |
4.8.4261.0 |
1.047.312 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Activities.dll |
4.8.4261.0 |
555.384 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Channels.dll |
4.8.4261.0 |
150.904 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Discovery.dll |
4.8.4261.0 |
301.432 |
02-Dec-2020 |
22:25 |
System.ServiceModel.dll |
4.8.4261.0 |
6.383.896 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Internals.dll |
4.8.4261.0 |
246.528 |
02-Dec-2020 |
22:25 |
System.ServiceModel.WasHosting.dll |
4.8.4261.0 |
33.144 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Web.dll |
4.8.4261.0 |
321.792 |
02-Dec-2020 |
22:25 |
System.Web.ApplicationServices.dll |
4.8.4261.0 |
63.744 |
02-Dec-2020 |
22:25 |
System.Web.Extensions.dll |
4.8.4261.0 |
1.842.432 |
02-Dec-2020 |
22:25 |
System.Windows.Forms.DataVisualization.dll |
4.8.4210.0 |
1.712.512 |
02-Dec-2020 |
22:25 |
System.Workflow.Activities.dll |
4.8.4110.0 |
1.051.112 |
02-Dec-2020 |
22:25 |
System.Workflow.ComponentModel.dll |
4.8.4110.0 |
1.557.272 |
02-Dec-2020 |
22:25 |
System.Workflow.Runtime.dll |
4.8.4110.0 |
503.064 |
02-Dec-2020 |
22:25 |
System.Configuration.dll |
4.8.4190.0 |
421.536 |
02-Dec-2020 |
22:25 |
System.Data.dll |
4.8.4290.0 |
3.476.360 |
02-Dec-2020 |
22:25 |
System.Deployment.dll |
4.8.4290.0 |
1.593.624 |
02-Dec-2020 |
22:25 |
System.dll |
4.8.4311.0 |
3.552.536 |
02-Dec-2020 |
22:42 |
System.Drawing.Design.dll |
4.8.4210.0 |
125.192 |
02-Dec-2020 |
22:25 |
System.Security.dll |
4.8.4261.0 |
320.280 |
02-Dec-2020 |
22:25 |
System.Web.dll |
4.8.4261.0 |
5.409.672 |
02-Dec-2020 |
22:25 |
System.Windows.Controls.Ribbon.dll |
4.8.4311.0 |
743.816 |
02-Dec-2020 |
22:42 |
System.Windows.Forms.dll |
4.8.4290.0 |
5.914.880 |
02-Dec-2020 |
22:25 |
System.Xaml.dll |
4.8.4311.0 |
632.088 |
02-Dec-2020 |
22:42 |
UIAutomationClient.dll |
4.8.4311.0 |
170.888 |
02-Dec-2020 |
22:42 |
UIAutomationClientsideProviders.dll |
4.8.4311.0 |
354.184 |
02-Dec-2020 |
22:42 |
UIAutomationProvider.dll |
4.8.4311.0 |
41.856 |
02-Dec-2020 |
22:42 |
UIAutomationTypes.dll |
4.8.4311.0 |
215.944 |
02-Dec-2020 |
22:42 |
webengine.dll |
4.8.4261.0 |
19.320 |
02-Dec-2020 |
22:25 |
webengine4.dll |
4.8.4261.0 |
564.600 |
02-Dec-2020 |
22:25 |
WindowsBase.dll |
4.8.4311.0 |
1.298.824 |
02-Dec-2020 |
22:42 |
WindowsFormsIntegration.dll |
4.8.4180.0 |
105.248 |
02-Dec-2020 |
22:25 |
WorkflowServiceHostPerformanceCounters.dll |
4.8.4110.0 |
89.368 |
02-Dec-2020 |
22:25 |
WPFFontCache_v0400.exe. MUI |
4.8.4311.0 |
12.168 |
02-Dec-2020 |
23:13 |
WPFFontCache_v0400.exe |
4.8.4311.0 |
19.872 |
02-Dec-2020 |
23:13 |
wpfgfx_v0400.dll |
4.8.4311.0 |
1.618.816 |
02-Dec-2020 |
23:02 |
x64
Naziv datoteke |
Verzija datoteke |
Veličina datoteke |
Datum |
Vrijeme |
---|---|---|---|---|
Aspnet_perf.dll |
4.8.4261.0 |
41.848 |
02-Dec-2020 |
22:25 |
Aspnet_perf.dll |
4.8.4261.0 |
36.224 |
02-Dec-2020 |
22:25 |
aspnet_wp.exe |
4.8.4261.0 |
45.440 |
02-Dec-2020 |
22:25 |
aspnet_wp.exe |
4.8.4261.0 |
39.808 |
02-Dec-2020 |
22:25 |
clr.dll |
4.8.4311.0 |
11.244.936 |
02-Dec-2020 |
22:42 |
clr.dll |
4.8.4311.0 |
8.037.768 |
02-Dec-2020 |
23:02 |
clrjit.dll |
4.8.4311.0 |
1.358.216 |
02-Dec-2020 |
22:42 |
clrjit.dll |
4.8.4311.0 |
554.888 |
02-Dec-2020 |
23:02 |
compatjit.dll |
4.8.4311.0 |
1.273.216 |
02-Dec-2020 |
22:42 |
dfdll.dll |
4.8.4290.0 |
214.920 |
02-Dec-2020 |
22:25 |
dfdll.dll |
4.8.4290.0 |
178.040 |
02-Dec-2020 |
22:25 |
mscordacwks.dll |
4.8.4311.0 |
1.801.096 |
02-Dec-2020 |
22:42 |
mscordacwks.dll |
4.8.4311.0 |
1.307.528 |
02-Dec-2020 |
23:02 |
mscordbi.dll |
4.8.4311.0 |
1.655.176 |
02-Dec-2020 |
22:42 |
mscordbi.dll |
4.8.4311.0 |
1.188.744 |
02-Dec-2020 |
23:02 |
mscoreei.dll |
4.8.4180.0 |
689.952 |
02-Dec-2020 |
22:25 |
mscoreei.dll |
4.8.4180.0 |
581.920 |
02-Dec-2020 |
22:25 |
mscorlib.dll |
4.8.4311.0 |
5.431.688 |
02-Dec-2020 |
22:42 |
mscorlib.dll |
4.8.4311.0 |
5.670.792 |
02-Dec-2020 |
23:02 |
VsVersion.dll |
14.8.4311.0 |
11.656 |
02-Dec-2020 |
22:42 |
Placeholder.dll |
4.8.4311.0 |
20.360 |
02-Dec-2020 |
22:42 |
Placeholder.dll |
4.8.4311.0 |
18.312 |
02-Dec-2020 |
23:02 |
VsVersion.dll |
14.8.4311.0 |
11.656 |
02-Dec-2020 |
23:02 |
PenIMC2_v0400.dll |
4.8.4311.0 |
120.704 |
02-Dec-2020 |
22:42 |
PenIMC2_v0400.dll |
4.8.4311.0 |
99.720 |
02-Dec-2020 |
23:02 |
peverify.dll |
4.8.4311.0 |
265.608 |
02-Dec-2020 |
22:42 |
peverify.dll |
4.8.4311.0 |
182.664 |
02-Dec-2020 |
23:02 |
PresentationCore.dll |
4.8.4311.0 |
3.648.392 |
02-Dec-2020 |
22:42 |
PresentationCore.dll |
4.8.4311.0 |
3.671.944 |
02-Dec-2020 |
23:02 |
PresentationFramework.dll |
4.8.4311.0 |
6.269.832 |
02-Dec-2020 |
22:42 |
PresentationFramework-SystemData.dll |
4.8.4311.0 |
17.800 |
02-Dec-2020 |
22:42 |
PresentationHost_v0400.dll |
4.8.4311.0 |
302.472 |
02-Dec-2020 |
22:42 |
PresentationHost_v0400.dll. MUI |
4.8.4311.0 |
77.704 |
02-Dec-2020 |
22:42 |
PresentationHost_v0400.dll |
4.8.4311.0 |
233.864 |
02-Dec-2020 |
23:02 |
PresentationHost_v0400.dll. MUI |
4.8.4311.0 |
77.704 |
02-Dec-2020 |
23:02 |
PresentationNative_v0400.dll |
4.8.4311.0 |
1.164.168 |
02-Dec-2020 |
22:42 |
PresentationNative_v0400.dll |
4.8.4311.0 |
923.016 |
02-Dec-2020 |
23:02 |
ReachFramework.dll |
4.8.4110.0 |
677.656 |
02-Dec-2020 |
22:25 |
ServiceMonikerSupport.dll |
4.8.4261.0 |
27.512 |
02-Dec-2020 |
22:25 |
ServiceMonikerSupport.dll |
4.8.4261.0 |
24.456 |
02-Dec-2020 |
22:25 |
SMDiagnostics.dll |
4.8.4261.0 |
66.328 |
02-Dec-2020 |
22:25 |
SOS.dll |
4.8.4311.0 |
921.480 |
02-Dec-2020 |
22:42 |
SOS.dll |
4.8.4311.0 |
767.368 |
02-Dec-2020 |
23:02 |
System.Speech.dll |
4.8.4210.0 |
676.736 |
02-Dec-2020 |
22:25 |
System.Activities.dll |
4.8.4261.0 |
1.526.528 |
02-Dec-2020 |
22:25 |
System.Activities.Presentation.dll |
4.8.4180.0 |
2.127.136 |
02-Dec-2020 |
22:25 |
System.Core.dll |
4.8.4311.0 |
1.549.080 |
02-Dec-2020 |
22:42 |
System.IdentityModel.dll |
4.8.4261.0 |
1.086.744 |
02-Dec-2020 |
22:25 |
System.IdentityModel.Services.dll |
4.8.4261.0 |
191.352 |
02-Dec-2020 |
22:25 |
System.Printing.dll |
4.8.4110.0 |
400.152 |
02-Dec-2020 |
22:25 |
System.Printing.dll |
4.8.4110.0 |
399.640 |
02-Dec-2020 |
22:25 |
System.Runtime.Serialization.dll |
4.8.4261.0 |
1.047.312 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Activities.dll |
4.8.4261.0 |
555.384 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Channels.dll |
4.8.4261.0 |
150.904 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Discovery.dll |
4.8.4261.0 |
301.432 |
02-Dec-2020 |
22:25 |
System.ServiceModel.dll |
4.8.4261.0 |
6.383.896 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Internals.dll |
4.8.4261.0 |
246.528 |
02-Dec-2020 |
22:25 |
System.ServiceModel.WasHosting.dll |
4.8.4261.0 |
33.144 |
02-Dec-2020 |
22:25 |
System.ServiceModel.Web.dll |
4.8.4261.0 |
321.792 |
02-Dec-2020 |
22:25 |
System.Web.ApplicationServices.dll |
4.8.4261.0 |
63.744 |
02-Dec-2020 |
22:25 |
System.Web.Extensions.dll |
4.8.4261.0 |
1.842.432 |
02-Dec-2020 |
22:25 |
System.Windows.Forms.DataVisualization.dll |
4.8.4210.0 |
1.712.512 |
02-Dec-2020 |
22:25 |
System.Workflow.Activities.dll |
4.8.4110.0 |
1.051.112 |
02-Dec-2020 |
22:25 |
System.Workflow.ComponentModel.dll |
4.8.4110.0 |
1.557.272 |
02-Dec-2020 |
22:25 |
System.Workflow.Runtime.dll |
4.8.4110.0 |
503.064 |
02-Dec-2020 |
22:25 |
System.configuration.dll |
4.8.4190.0 |
421.536 |
02-Dec-2020 |
22:25 |
System.Data.dll |
4.8.4290.0 |
3.543.432 |
02-Dec-2020 |
22:25 |
System.Data.dll |
4.8.4290.0 |
3.476.360 |
02-Dec-2020 |
22:25 |
System.Deployment.dll |
4.8.4290.0 |
1.593.624 |
02-Dec-2020 |
22:25 |
System.dll |
4.8.4311.0 |
3.552.536 |
02-Dec-2020 |
22:42 |
System.Drawing.Design.dll |
4.8.4210.0 |
125.192 |
02-Dec-2020 |
22:25 |
System.Security.dll |
4.8.4261.0 |
320.280 |
02-Dec-2020 |
22:25 |
System.Web.dll |
4.8.4261.0 |
5.397.368 |
02-Dec-2020 |
22:25 |
System.Web.dll |
4.8.4261.0 |
5.409.672 |
02-Dec-2020 |
22:25 |
System.Windows.Controls.Ribbon.dll |
4.8.4311.0 |
743.816 |
02-Dec-2020 |
22:42 |
System.Windows.Forms.dll |
4.8.4290.0 |
5.914.880 |
02-Dec-2020 |
22:25 |
System.Xaml.dll |
4.8.4311.0 |
632.088 |
02-Dec-2020 |
22:42 |
UIAutomationClient.dll |
4.8.4311.0 |
170.888 |
02-Dec-2020 |
22:42 |
UIAutomationClientsideProviders.dll |
4.8.4311.0 |
354.184 |
02-Dec-2020 |
22:42 |
UIAutomationProvider.dll |
4.8.4311.0 |
41.856 |
02-Dec-2020 |
22:42 |
UIAutomationTypes.dll |
4.8.4311.0 |
215.944 |
02-Dec-2020 |
22:42 |
webengine.dll |
4.8.4261.0 |
21.368 |
02-Dec-2020 |
22:25 |
webengine.dll |
4.8.4261.0 |
19.320 |
02-Dec-2020 |
22:25 |
webengine4.dll |
4.8.4261.0 |
675.192 |
02-Dec-2020 |
22:25 |
webengine4.dll |
4.8.4261.0 |
564.600 |
02-Dec-2020 |
22:25 |
WindowsBase.dll |
4.8.4311.0 |
1.298.824 |
02-Dec-2020 |
22:42 |
WindowsFormsIntegration.dll |
4.8.4180.0 |
105.248 |
02-Dec-2020 |
22:25 |
WorkflowServiceHostPerformanceCounters.dll |
4.8.4110.0 |
102.672 |
02-Dec-2020 |
22:25 |
WorkflowServiceHostPerformanceCounters.dll |
4.8.4110.0 |
89.368 |
02-Dec-2020 |
22:25 |
WPFFontCache_v0400.exe. MUI |
4.8.4311.0 |
12.168 |
02-Dec-2020 |
23:52 |
WPFFontCache_v0400.exe. MUI |
4.8.4311.0 |
12.168 |
02-Dec-2020 |
23:13 |
WPFFontCache_v0400.exe |
4.8.4311.0 |
21.920 |
02-Dec-2020 |
23:52 |
WPFFontCache_v0400.exe |
4.8.4311.0 |
19.872 |
02-Dec-2020 |
23:13 |
wpfgfx_v0400.dll |
4.8.4311.0 |
2.050.440 |
02-Dec-2020 |
22:42 |
wpfgfx_v0400.dll |
4.8.4311.0 |
1.618.816 |
02-Dec-2020 |
23:02 |
Informacije o zaštiti i sigurnosti
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Zaštitite se na internetu: Sigurnost podrške za Windows
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Upute za zaštitu od cyber prijetnji: Microsoftova sigurnost