Microsoft released its latest and the most awaited version of Windows called Windows 10 on July 29, 2015. There were some major changes in the latest OS based on GUI and services. Almost, 14 million people upgraded their previous Windows versions to lớn the latest one in a time span of just 24 hours.
At the same time, people started getting an annoying issue related to Start Menu và Cortana. This problem is related khổng lồ the launch of Start menu & Cortana. Whenever a user launches Start menu or Cortana, it comes up with a Critical Error saying that the functions are not working properly và a fix will be attempted the next time the user signs in.

This critical error message insists the users khổng lồ bang their heads on the wall as they cannot use their PCs properly. People have tried a number of methods to get rid of this error message. Creating a new tài khoản or using different accounts on Windows has failed properly và the error still persists. A majority of people have reverted back lớn their previous version of Windows because of this issue and the Microsoft is still unable lớn find the reasons causing this.
My guess is that this should be fixed when Microsoft pushes a fix for this via update within a month or two.
So, below are the methods khổng lồ resume the functionality of Start Menu và Cortana back to normal.
Methods to fix Critical Error – Start Menu and Cortana aren’t Working:
The following methods are known to be the best solution for this error on Windows 10. You should follow these methods sequentially if the first doesn’t work for you.
Repair Corrupt System Files
Download and run Restoro khổng lồ scan for corrupt files from here, if files are found lớn be corrupt & missing repair them và then kiểm tra if Start Menu & Cortana starts working. If not, proceed with the following Methods below.
Method # 1: Uninstall Anti Virus
The first method is found to lớn be the best solution for this critical error message. A number of times, external anti-virus programs creates a conflict between other Windows programs which results in different issues. This Critical Error related lớn Cortana & Start thực đơn is related khổng lồ the anti-virus programs installed on the PC. So, it is better to uninstall the anti-virus. Lớn uninstall this, follow these simple steps.
Most of the users having this issue had avast!
1. Go lớn Control Panel and find Uninstall a Program if you are in Category view mode. If you are in Small icon view mode, find Programs & Features and click on it.
2. Now, move khổng lồ the anti-virus installed on the PC & double click to lớn Uninstall.

3. After the program is uninstalled, restart your PC and now, you can see that your Windows 10 Start Menu và Cortana are working. You can install the anti-virus again if you need. BUT if the issue persists proceed lớn Method 2.
Method 2: Fix via PowerShell
1. Hold CTRL + ALT + DELETE to xuất hiện task manager.
2. Click File -> and choose Run New Task

3. Type powershell and click OK
4. Now right click powershell from the task bar and select run as administrator

if right click isn’t working; re-open task manager in a fewer view mode
5. You will see a các mục of your running apps. Right click on PowerShell và choose Open tệp tin Location; This will mở cửa file location, locate powershell (right click on it and select) run as administrator to open powershell in administrator mode.


6. Now copy/paste the following command in the command prompt:
And hit the ENTER key. Wait for the command lớn finish; reboot your PC and then demo to see if Cortana và Start thực đơn are now working.
Method 3: Via Command Prompt
1. Right click on the Start thực đơn button and in the thực đơn that pops up, select Command Prompt (Admin).
2. Type in ren %windir%System32AppLockerPlugin*.* *.bak and then press the Enter key.
3. Restart the computer.
Method 4: System file Checker Scan
The above method will work in most of the cases. If it doesn’t seem to work for you, then use this method. You have to run System file Checker in order to check the damaged or corrupted files inside your system files và fix them thereafter.
You can go through this liên kết to run SFC.
Method 5: Booting in Safe Mode
It is possible that certain applications or a driver might be malfunctioning & interfering with important elements of the operating system. Therefore, in this step, we will be booting the computer in Safe Mode to lớn fix that. In order to do that:
Reboot your computer và let it boot lớn the lock screen và click on the “Power” icon while pressing the “Shift” button.Click on the “Restart” option & let go of the “Shift” key.Once Windows boots lớn the “Choose an Option” screen, select “Troubleshoot”.
