HOW TO FIX You can’t access this shared folder because your organization’s security policies block unauthenticated guest access

 

If your company disable the GPO editor and Secpol on our PC, could you enable insecure guest logons with Registry?

Please refer to the following steps:

1.Open Run command by Pressing windows + R and type regedit and hit enter to open the registry editor.

2.Navigate to the following path.

Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows

3.Expand the Windows Registry Key and search for LanmanWorkstation registry key, If you are not able to find the registry key, then you need to create it.

4.Right Click on the Windows Registry Key and Choose New > Key, Name the Key as LanmanWorkstation. Now Click on the LanmanWorkstation Registry key and from your right-hand side right click and choose New > DWORD 32 bit Value and name it as AllowInsecureGuestAuth. Double click on the AllowInsecureGuestAuth DWORD and set the vlaue to 1 and give OK.

As the picture below:

Now restart the system once and check the shared file is accessible or not.

Please note: Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs.

How to Format a Hard Drive Using the Command Prompt

STEP 1:    Open Command Prompt As Administrator

Opening the command prompt.

Search for command prompt, right click and run as Administrator.S

STEP 2:    Use Diskpart

Using diskpart

Once command line is open, type 'diskpart' and press Enter.

PLAY SOUND

STEP 3:    Type List Disk

Using list disk

The above command will open a Diskpart window. In this window, type 'list disk' and press Enter. It will list all the available drives.

STEP 4:    Select the Drive to Format

Formatting a drive.

Now type 'select disk (disk number)' as shown above. Specify the drive number which needs to be formatted.

STEP 5:    Clean the Disk

Using the clean function.

In this step, type 'clean'. This command will permanent delete all files and folders, and successfully clean up the disk.

STEP 6:    Create Partition Primary

Creating primary partition.

To make the drive again accessible, type 'create partition primary'.

STEP 7:    Format the Drive

Now format the drive with FAT or NTFS file system. Type 'format fs=ntfs' and press Enter.

STEP 8:    Assign a Drive Letter

To assign a drive letter, you can type 'assign' as shown below.

Kernel Security Check Failure error

 

1. Enable legacy advanced boot menu

1. Restart your computer and insert a Windows 10 bootable media into the optical media drive. Find out how to create a bootable media)
2. On the displayed Windows Setup box, click Next.
3. On the next page, click on Repair your computer.
   
   
   
4. On the Choose an option screen, click Troubleshoot.
   
   
   
5. Click on Advanced options.
6. Now select Command Prompt.
   
   
   
7. On the newly opened Command Prompt window, type C: and hit Enter.
8. Type the following command and press Enter to enable legacy advanced boot menu:BCDEDIT /SET {DEFAULT} BOOTMENUPOLICY LEGACY
   
   
   
   
9. Once the command executes successfully, type EXIT to close the Command Prompt window.
10. Go back to the Choose an option screen, click Continue and start your computer normally.

3. Use System File Checker and Memory Diagnostic

➡ Restart your PC from the Boot menu

1. Tap on Troubleshoot.
   
   
   
2. Go to Advanced Options.
   
   
   
3. Click on Startup Settings.
   
   
   
4. Click the Restart button located on the lower right side of the screen.
5. Your operating system should boot with the minimum system requirements.

 Run the Windows Memory Diagnostic tool

1. Click on the Search button in your taskbar.
2. Type memory, and select Run as administrator under the Windows Memory Diagnostic option.
   
   
   
3. Select Restart now and check for problems.
   
   
   
4. After the reboot, the OS will automatically check your RAM and display the possible reasons as to why you got the Blue Screen of Death error.
5. Reboot your PC normally.
6. Check to see if the Kernel Security Check Failure BSOD error persists.

last update driver and the install updates.