Windows 10: Windows 11not starting up and also advance repair mode not activating.

I was subscribed to windows insider program and today the windows after update, system is not starting up. It is going again and again in system error mode. Also the advance repair screen is not coming. The boot fro usb is also not getting enabled. Please help me i so many important files which I do not want to lose. Please help in sorting the error. I am getting error message that iastorAC.sys failed. Screen goes in preparing automation repare and then at error screen . It's been more than 5 hrs and same thing happening again and again.

:)

 

activation assistant suddenly started openning at start up - windows 10

Hi,

Thank you for posting your query in Microsoft Community. We understand the inconvenience caused and will assist you.

I suggest you to perform a Startup repair by following the steps provided below and check if it helps.

• In the lock screen, Press the Shift key and click on power icon.
• Click on Restart anyway.
• After the system goes to the recovery environment, click on Troubleshoot>Advanced Options>Startup repair.

Also, suggest you to check if the issue persists in Safe Mode with Networking.

Start your PC in safe mode in Windows 10

http://windows.microsoft.com/en-in/windows-10/start-your-pc-in-safe-mode

Hope this helps. Keep us posted on the status for further assistance.

 

Starting an app as admintrator mode

Hi,

Thank you for posting your reply and updating on the status.

I suggest you to perform a startup repair by following the steps below and check if it helps.

• In the Lock screen, press/hold the shift key and click on power icon>restart.
• Click on Troubleshoot>Advanced Options>Startup Repair and follow the prompts to start the Startup Repair.

After the Startup Repair is complete, check for the status.

 

Windows 7 - Messed up permissions

Try this, it may help: Tweaking.com's all in one repair


EDIT:

A quote from the Website page... and, it is some good advice:

Spoiler