Hello everyone.

We have decided to phase out the Mixed Reality Forums over the next few months in favor of other ways to connect with us.

The first way we want to connect with you is our mixed reality developer program, which you can sign up for at https://aka.ms/IWantMR.

The plan between now and the beginning of May is to clean up old, unanswered questions that are no longer relevant. The forums will remain open and usable.

On May 1st we will be locking the forums to new posts and replies. They will remain available for another three months for the purposes of searching them, and then they will be closed altogether on August 1st.

So, where does that leave our awesome community to ask questions? Well, there are a few places we want to engage with you. For technical questions, please use Stack Overflow, and tag your questions using either hololens or windows-mixed-reality. If you want to join in discussions, please do so in the HoloDevelopers Slack, which you can join by going to https://aka.ms/holodevelopers. And always feel free to hit us up on Twitter @MxdRealityDev.

Hololens Redstone 4 (RS4) issue - Help much appreciated!

Hello everyone,

We are currently in the process of finalising our Hololens Maintenance product. Recently, we updated our Hololenses to the new Windows RS4 and unfortunately this causes our application to crash at (seemingly) unpredictable moments. This bug is consuming a lot of time since that we were not able to gather any useful information that could pinpoint the cause of the problem.

We are using 2017.3.1f1 and HoloToolkit 2017.2.1.4. See below for a print of the debugger.

Any thoughts are very welcome, thank you in advance,

Nico Zink

_CRT_ASSERT caught:
minkernel\crts\ucrt\src\appcrt\stdio\output.cpp(141) : Assertion failed: format != nullptr


0x10B577F5 (UnityPlayer)
0x10B5764E (UnityPlayer)
0x10B5B170 (UnityPlayer)
0x120FBB4E (UnityPlayer)
0x55D9BC82 (ucrtbased) VCrtDbgReportW
0x55D9A9F4 (ucrtbased) CrtDbgReportW
0x55DBA403 (ucrtbased) _p__commode
0x55DD3B16 (ucrtbased) _stdio_common_vsprintf
0x11C89B7E (UnityPlayer)
0x11C89A8E (UnityPlayer)
0x105B128E (UnityPlayer)
0x12242491 (UnityPlayer)
0x5398B70A (UnityEngineDelegates) GameObject_CUSTOM_GetComponentInChildren
0x0A5930B8 (())
0x0BEA787B (())
0x0BEA781D (())
0x0BEA7123 (())
0x0BEA6F98 (())
0x0AFD6562 (())
0x0AFD6529 (())
0x0AFD4A4D (())
0x0AFD49FD (())
0x0AFCE5E5 (())
0x0AFCDDC7 (())
0x0AFD48BA (())
0x0AFD47C3 (())
0x0AFD16D4 (())
0x001DD7F0 (())
0x12C5BC53 (UnityPlayer)
0x12C67730 (UnityPlayer)
0x12C65DDD (UnityPlayer)
0x1108B23D (UnityPlayer)
0x1172AB4E (UnityPlayer)
0x1171BA27 (UnityPlayer)
0x120BF1AF (UnityPlayer)
0x120750D9 (UnityPlayer)
0x12074F08 (UnityPlayer)
0x12070D58 (UnityPlayer)
0x12070C5C (UnityPlayer)
0x121A0114 (UnityPlayer)
0x121A4FE2 (UnityPlayer)
0x121A5144 (UnityPlayer)
0x121B1A92 (UnityPlayer)
0x692F446F (threadpoolwinrt) DllGetActivationFactory
0x692F6B06 (threadpoolwinrt) DllGetActivationFactory
0x7724175D (ntdll) PssNtCaptureSnapshot
0x77241722 (ntdll) PssNtCaptureSnapshot

The program '[3280] MT.exe' has exited with code -1073740791 (0xc0000409).

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