Please double check the Everything.exe in:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Is not the x86 version (C:\Program Files (x86)) that might be set to run as an administrator.
Windows 10 will not launch programs on startup that are set to run as administrator.
Please try running Everything as a standard user:
- In Everything, from the Tools menu, click Options.
- Click the General tab on the left.
- Check Everything service.
- Uncheck Run as administrator.
- Click OK.
- Exit Everything (right click the Everything tray icon and click Exit).
- Restart Everything.
And to run Everything as a standard user:
- Right click your Everything.exe or a shortcut to Everything
- Click Properties.
- Click the Compatibility tab.
- Uncheck Run this program as an administrator.
- Click OK.
And also to run Everything as a standard user:
- Right click your shortcut to Everything
- Click Properties.
- Click the Shortcut tab.
- Click the Advanced button.
- Uncheck Run as administrator.
- Click OK.
- Click OK.
Maybe there is another entry in HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run Windows is getting stuck on.
Try setting the Everything entry to C:\Windows\Notepad.exe and see if it launches.