Windows 10: How to get into pc from startup

My computer keeps going to advanced options at the start up. I belive it might be due to a recent update and wanted to uninstall it. However it asks for my password to approve it and I couldn't remember it so I reset the password on my phone but my desktop still won't recognize it. How can I get in? It wants my password for just about any action I take.

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Can't get GPU-Z to start with Windows 8.1 startup

I'm not sure how to do that. Could you list the steps for a noob?

 

Startup programs not launching on startup

Replying to Brink none of that works here is why- Step 1- No items listed in startup on task manager as stated. Step 2- I dont have shell:Startup on the pc as it cannot be located Step 3- I dont understand that option also the startup folder cannot be found Step 4- No apps showing under startup on settings Step 5- Dont have access to advanced options at all for any apps Step 6- Doesn't work. Thanks for trying - - - Updated - - - @dalchina, Will try the program now and no I have no suitable restore points and also nothing that I am aware of has been updated besides for Windows Updates but nothing major. WIll respond once I try the program.

 

My pc takes for ever to shut down when i restart

Suggest cleaning up your startup list .There may be many services / Apps you can remove on startup which is not needed on boot or during shutdown.
Before you shutdown the Pc check what is running in Task Manager as a program or service in not killing the process on shutdown

Would suggest cleaning up running apps and services -Autoruns, StartupMonitor,HighjackThis,
Malware Scan - Malwarebytes,ADWcleaner, Combofix