c++ - Information not avaliable, symbols not loaded for mfcore.dll -

alright getting error:

<information not available, no symbols loaded mfcore.dll> 

i have read , people said isn't problem code think pointless post code irreverent. anyways trying use mfcreatemediasession , end getting error in imfmediasession variable.

i've seen not able find symbols mfcore.pdb have checked computer far , wide , can not seem find file of sort.

any idea why happening , how can fix it? thanks.

actually, particular 1 seems longstanding problem specific mfcore.dll both x86 , x64 builds. visual studio 2017 'modules' window says symbols mfcore.pdb loaded, entry in "symbol file" column shows full path pdb file blank. right-clicking "symbol load information" gives you:

c:\windows\system32\mfcore.pdb: cannot find or open pdb file. c:\windows\mfcore.pdb: cannot find or open pdb file. c:\windows\symbols\dll\mfcore.pdb: cannot find or open pdb file. c:\windows\dll\mfcore.pdb: cannot find or open pdb file. c:\symbols\mfcore.pdb\1dbac8124f0c746624116b7feef848f81\mfcore.pdb: pdb not match image. c:\symbols\microsoftpublicsymbols\mfcore.pdb\1dbac8124f0c746624116b7feef848f81\mfcore.pdb: cannot find or open pdb file. https://msdl.microsoft.com/download/symbols: symbols downloaded symbol server. c:\symbols\mfcore.pdb\1dbac8124f0c746624116b7feef848f81\mfcore.pdb: pdb not match image.

so it's saying pdb signature doesn't match binaries, , still happens each new windows debug symbols release, latest 10.15063.296. note information popup tells debugger progressively searching, unique id value it's looking for, , what's going wrong.

it might mismatch in "age" part of pdb signature, helpful chkmatch.exe tool isn't able coerce. in fact, using tool in case apply signature correction seems make situation worse described above, because debugger refuses load patched pdb, results in re-downloading 1 mismatch (thus overwriting patched version, if didn't move out of local symbol store).

see dumpbin.exe /pdbpath option @ msdn, this blog post @ wintellect, , symchk utility sdk debugging tools windows.