How to pre-download symbols (PDB) before even debugging
In case you wanted to debug a program with Microsoft Windows modules from the system32 folder, try downloading the symbols using symchk.
Use the following command line as an example to get all library files from C:\Windows\System32 and store the PDBs in C:\symbols folder.
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symchk /r C:\Windows\System32\ /s srv*C:\symbols*http://msdl.microsoft.com/download/symbols
And the folder should look like this after: