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Windows 7: Win7 and AMD 1950x error ntdll.dll and StackHash_aa6e

26 Nov 2017   #1

Win7 Pro 64bit
Win7 and AMD 1950x error ntdll.dll and StackHash_aa6e

Newly installed system, the latest drivers, bios and chipset. I have back from win10pro to win7pro.
I have not installed automatic patches for windows yet.

Error ntdll.dll and StackHash_aa6e - on all activa core, when trying to decode h264.mp4 video (Windows Media Player), Experience Index to, and lack of ability to open web pages with video for example youtube (IE and Mozilla).

But when I use only 8 core everything works perfect?!

Is there any patch or hotfix to fix this problem?
Win7 PRO 64bit SP1.
AMD 1950x
Patriot Viper 4x16 GB RAM 2400Mhz
MSI Gaming pro carbon /ac
MSI GeForce 1080 Ti
PSU 800W
Error log:
Nazwa zdarzenia problemu: APPCRASH
Nazwa aplikacji: winsat.exe
Wersja aplikacji: 6.1.7601.17514
Sygnatura czasowa aplikacji: 4ce798fc
Nazwa modułu z błędem: StackHash_aa6e
Wersja modułu z błędem: 6.1.7601.17514
Sygnatura czasowa modułu z błędem: 4ce7c8f9
Kod wyjątku: c0000374
Przesunięcie wyjątku: 00000000000c40f2
Wersja systemu operacyjnego: 6.1.7601.
Identyfikator ustawień regionalnych: 1045
Dodatkowe informacje 1: aa6e
Dodatkowe informacje 2: aa6e243cdf64a6a59d6a90ca47b499c5
Dodatkowe informacje 3: 547f
Dodatkowe informacje 4: 547fd9b9f5d87c168b4bf18c173a5141
Nazwa zdarzenia problemu: APPCRASH
Nazwa aplikacji: wmplayer.exe
Wersja aplikacji: 12.0.7601.23403
Sygnatura czasowa aplikacji: 56f580e5
Nazwa modułu z błędem: ntdll.dll
Wersja modułu z błędem: 6.1.7601.23455
Sygnatura czasowa modułu z błędem: 573a54b7
Kod wyjątku: c0000005
Przesunięcie wyjątku: 000000000004eef1
Wersja systemu operacyjnego: 6.1.7601.
Identyfikator ustawień regionalnych: 1045
Dodatkowe informacje 1: 2a77
Dodatkowe informacje 2: 2a7799649b9f413b41b3c63ca921ea8c
Dodatkowe informacje 3: 70b2
Dodatkowe informacje 4: 70b2e090812e5a20d85cde667a4704ce
Thank you very much for your help.

My System SpecsSystem Spec
26 Nov 2017   #2

Windows 7 Home Premium 64-BIT

My System SpecsSystem Spec

 Win7 and AMD 1950x error ntdll.dll and StackHash_aa6e

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