Not to worry, you wont have to download any hard to understand software to fix this.
Even if youre new to Windows, you wont have a hard time understanding the following instructions.
Go toSettings > Accounts > Sign In Options.
Hopefully, the next time you snag the Start menu, it wont give you any issues.
Lets take this one step at a time and try restarting Cortana first.
First, youll need to enter the Task Manager by right-clicking on the taskbar.
The Task Manager option will be the third one from the bottom.
check that youre on the Processes tab and find Cortana.
press it and then go for the End Task button at the bottom right.
This should restart Cortana and hopefully end the Start menu issue.
If not, it looks like youre going to have to re-register it.
You will need to run this as an administrator.
Your Start Menu should now be up and running.
Create the new administrative account and move over all your files.
To create the new account press Ctrl + Shift + Esc and when the Task Manager opens select File.
Click OK when youre done and get ready to sign into your new account.
The start menu should now be visible.
Now, hit Advanced system prefs and when the System Properties box appears verify youre in the Advanced tab.
press the User Profiles options box and grab the account you just created and choose Copy To.
To enter safe mode, youll need to press the Windows and L key when Windows is starting.
Now, press the Power button and long-press on the Shift key and press Restart.
Press F5 to access Safe Mode with Networking once your box has had a chance to reboot completely.
Press the Windows key and R and when the Run window appears pop in appwiz.cpl.
Click OK and find Dropbox.
Select Uninstall and to see if it was the culprit youll need to power cycle your system.
Repeat the process but this time uninstall the Antivirus.
