After installing the Windows 10 anniversary update, my computer boots very slow. The first part of booting (bios, loading Windows) is as fast as it used to be, but after logging in I'm stuck on a black screen with just my cursor for over a minute before it seems to continue with the login.

I made a video to explain what I mean.

Also, when I shutdown, Windows says that Spotify is blocking the shutdown - Which is strange because why would Spotify do this? It will stay on this screen for about a minute until it just gives up and I'm back on my desktop with everything except Spotify shut down. If I click 'Force shutdown' or close Spotify before shutting down, everything works fine.


I have done some boot traces as requested by @magicandre1981 and @nijave -- They have now been removed because they were eating up my Google Drive storage.

I don't get this issue when the computer reboots, only when it's completely shut down and started again later. So I'm not sure the traces are of much help.

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    Install the WPT (part of the Win10 SDK: dev.windows.com/en-us/downloads/windows-10-sdk), run WPRUI.exe, select First Level, DiskIO, FileIO and under Performance Scenario select Boot. Number of iteration can be set to 1 and click to start. This reboots Windows and captures all activity during boot. After the reboot let the countdown tick to 0 to capture 2 minutes of activity after boot. Zip the large ETL file into zip/RAR file, upload the zip (OneDrive, dropbox, google drive) and post the share link here. – magicandre1981 Aug 21 '16 at 18:43
  • @magicandre1981 I've added them, the issue doesn't happen when rebooting so I'm not sure how useful they'll be though :( – cascer1 Aug 21 '16 at 20:06
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    @cascer1, those don't seem right. You generally get an ETL file of around 700-800+ MB uncompressed but those are small folders that appear to debugging/symbol files instead. Here's a pic of the interface i.imgur.com/0lCOiK5.png – nijave Aug 21 '16 at 20:17
  • @nijave yeah, that's the interface I used. I zipped the entire output folder and uploaded it. I'll try again tomorrow! – cascer1 Aug 21 '16 at 20:38
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    @cascer1 here's a random image I found online of what the file looks like. It's just a single file with an ETL extension (if you have Windows Explorer configured to show file extensions). It will have an icon that looks like that image 2.bp.blogspot.com/-FLUp2ehbL4Y/U1RSEWS3yCI/AAAAAAAAANU/… – nijave Aug 21 '16 at 20:42

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