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After I successfully upgraded from Windows 10 v1511 to v1607, aka Anniversary update, my system gets stuck at the restarting screen whenever I want to restart my system. Always.

Turning my computer off, on the other side, works, as long as "fast boot" (aka "hybrid boot" or "hybrid shutdown") is enabled. As soon as I disable "fast boot", my system gets stuck at the shutdown screen, too.

Booting into safe mode and restating works.

I tried to reset windows update (as described here), but it didn't help.


  • Did anyone have a similar issue and knows a possible solution?

or

  • Do you have any idea how I could take a look at what's actually going on here? Are there any logfiles etc. which tell me "process X blocked Windows", or the last action Windows was trying to do is to close process X? I tried event log, but didn't find any useful information there.

Update: It's most probable not a (third-party) driver issue. I disabled any non-Microsoft driver except my display driver. I verified with DriverView that no third-party driver except Nvidia was active. But the issue remains.

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  • If restarting works while in Safe Mode, the behavior is caused by a incompatible driver, have you determined which driver is causing this behavior?
    – Ramhound
    Sep 6, 2016 at 20:14
  • Do you have Bitlocker/TPM?
    – aventurin
    Sep 6, 2016 at 20:45
  • No Bitlocker or TPM. / I already tried to disable some exotic third-party drivers (like Sandboxie or RAMDisk), but those didn't cause this issue. I'm still researching.
    – manuel
    Sep 6, 2016 at 21:37
  • @Ramhound: I tried to disabled any single third-party driver (see update) but the issue remains.
    – manuel
    Sep 7, 2016 at 11:08
  • @manuel - So you tried the drivers. How about third-party applications?
    – Ramhound
    Sep 7, 2016 at 13:49

1 Answer 1

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I found a solution for my problem. First of all, there is actually a way to precisely look at what's going on during shutdown. Windows has a switch to become verbose! Enable Verbose or Highly Detailed Status Messages In Windows 10/8/7

Armed with this technique, I gave it another try and I found out that group policy service was responsible for the hang, and from there I found that it's most likely a shutdown script. And indeed, I've set a shutdown script changing some registry keys some time ago. I'm not exactly sure what the problem with this was, maybe Windows added a feature so that "reg add" was waiting confirmation before overwriting (that never came), but after disabling the script, my problem was solved.

However, it's still a mystery why this issue didn't occur on "hybrid boot". Does Windows not execute shutdown scripts when "hybrid boot" is enabled? Or is there a hard timeout that's not there when doing a full shutdown? Mysterious...

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