Errors when trying to load symbols using Windbg on Windows 8.1

Question

Here are the results from Windbg using the following commands: I'm mainly interested in downloading the latest pdb file for ntoskrnl.exe. Can anyone decipher what does all the errors mean ?

lkd> !sym noisy
noisy mode - symbol prompts on
lkd>  .reload
Connected to Windows 8.1 9600 x64 target at (Mon Apr 18 19:54:59.657 2022 (UTC - 4:00)), ptr64 TRUE
SYMSRV:  BYINDEX: 0x11E
         c:\symbols*https://msdl.microsoft.com/download/symbols
         ntkrnlmp.pdb
         610455A6355B4DEFB6BAA86D9F7967EE1
SYMSRV:  UNC: c:\symbols\ntkrnlmp.pdb\610455A6355B4DEFB6BAA86D9F7967EE1\ntkrnlmp.pdb - file not found
SYMSRV:  UNC: c:\symbols\ntkrnlmp.pdb\610455A6355B4DEFB6BAA86D9F7967EE1\ntkrnlmp.pd_ - file not found
SYMSRV:  UNC: c:\symbols\ntkrnlmp.pdb\610455A6355B4DEFB6BAA86D9F7967EE1\file.ptr - file not found
SYMSRV:  HTTPGET: /download/symbols/ntkrnlmp.pdb/610455A6355B4DEFB6BAA86D9F7967EE1/ntkrnlmp.pdb
SYMSRV:  HttpQueryInfo: 80190194 - HTTP_STATUS_NOT_FOUND
SYMSRV:  HTTPGET: /download/symbols/ntkrnlmp.pdb/610455A6355B4DEFB6BAA86D9F7967EE1/ntkrnlmp.pd_
SYMSRV:  HttpQueryInfo: 80190194 - HTTP_STATUS_NOT_FOUND
SYMSRV:  HTTPGET: /download/symbols/ntkrnlmp.pdb/610455A6355B4DEFB6BAA86D9F7967EE1/file.ptr
SYMSRV:  HttpQueryInfo: 80190194 - HTTP_STATUS_NOT_FOUND
SYMSRV:  RESULT: 0x80190194
DBGHELP: ntkrnlmp.pdb - file not found
DBGHELP: nt - export symbols
*************************************************************************
***                                                                   ***
***                                                                   ***
***    Either you specified an unqualified symbol, or your debugger   ***
***    doesn't have full symbol information.  Unqualified symbol      ***
***    resolution is turned off by default. Please either specify a   ***
***    fully qualified symbol module!symbolname, or enable resolution ***
***    of unqualified symbols by typing ".symopt- 100". Note that     ***
***    enabling unqualified symbol resolution with network symbol     ***
***    server shares in the symbol path may cause the debugger to     ***
***    appear to hang for long periods of time when an incorrect      ***
***    symbol name is typed or the network symbol server is down.     ***
***                                                                   ***
***    For some commands to work properly, your symbol path           ***
***    must point to .pdb files that have full type information.      ***
***                                                                   ***
***    Certain .pdb files (such as the public OS symbols) do not      ***
***    contain the required information.  Contact the group that      ***
***    provided you with these symbols if you need this command to    ***
***    work.                                                          ***
***                                                                   ***
***    Type referenced: nt!_MMPTE_TRANSITION                          ***
***                                                                   ***
*************************************************************************
Loading Kernel Symbols
...............................................................
................................................................
...................................................
Loading User Symbols
................................................................
..................................
Loading unloaded module list
.............

************* Symbol Loading Error Summary **************
Module name            Error
ntkrnlmp               The system cannot find the file specified
 The SYMSRV client failed to find a file in the UNC store, or there
 is an invalid UNC store (an invalid path or the pingme.txt file is
 not present in the root directory), or the file is present in the
 symbol server exclusion list.