Slow boot, start menu not working, cannot reset, cannot do startup repair


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I've been experiencing severe issues, starting 2 days ago.
First of all, my laptop boots very very slowly (log in taking >20 minutes). After login, left click on Start menu doesn't work (I get "critical error. Your start menu isn't working. We'll try to fix it the next time you sign in"). Right click still works. Same for wifi icon, left click no response, right click works. Tried startup repair, wich cannot be done. Windows will reset (saving files) for around 40%, then reports an error.

Already ran virus and malware scans, removed potential problems. Ran chkdsk, reported no problems.

Anyone has any idea what the problem could be, and what I could do about it?

Thanks
 
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Regedit32

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Hi oysa,

Welcome to the Forum.

What brand and model computer is this occurring on?

Did it come with Windows 10, or did you upgrade to Windows 10?

What Edition, Version and OS Build are you currently on?
  • Press Windows key + R and in run dialog type winver then click OK
 

Regedit32

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A temporary fix for your Critical Error:
  • Press Windows key + R then type msconfig in the Run dialog and click OK
  • Select the Boot tab then check the box next to Safe boot and click Apply then OK
  • Confirm the restart
  • When computer restarts sign-in to Safe Mode
  • Now press Windows key + R then type msconfig in the Run dialog and click OK
  • Select the Boot tab then remove check from the box next to Safe boot and click Apply then OK
  • Confirm the restart
  • Sign-in to normal Desktop after the restart
Note: This temporary fix will not permanently resolve issue, but will in the short term allow access to computer so you can do whatever it is you intended doing.


Repair the Start/Cortana Menu using Windows PowerShell in Elevated mode:

  • Press Ctrl + Shift + Esc keys together to open Task Manager
  • In the Task Manager window click File > Run new task
  • In the Open dialog type powershell
  • Check the box next to Create this task with administrative privileges
  • Click OK
Sample image

img1.png

  • In the Administrator: Windows PowerShell console type or copy & paste the following command:
Code:
Get-appxpackage -all *shellexperience* -packagetype bundle |% {add-appxpackage -register -disabledevelopmentmode ($_.installlocation + “\appxmetadata\appxbundlemanifest.xml”)}

Press Enter key to execute the command

Sample image

img2.png
  • Now type exit then press Enter key to close the Administrator: Windows PowerShell console.
  • Close any other open applications.
  • Shut down & Restart computer for changes to take affect
Report back on how you go. Does the critical error cease appearing now?

This should help, but the slow booting may require some other troubleshooting. It is possible, you have a pending update from Microsoft that is failing to complete, but one issue at a time.


 
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It's a Toshiba Satellite R850-14t, I upgraded it to Windows 10
Version 1607 os build 14393.1198

As of now, I'm not able to run task manager, it did work before.
Already tried reboot in safe mode, no luck.
 
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Was that the normal upgrade (From Win 7, for example). I see many posts regarding your computer, with Win 10 problems. It also seems that, although only three or four years old, Toshiba are not supporting it in Windows 10.

Perhaps you should try the media creation tool method. Make sure you do not have any third party anti virus programs running and unplug anything which is not considered necessary for the installation.
 

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