Symsrv.dll.000 Access Denied π
rmdir /s /q C:\Symbols Right-click your debugger or application β Run as administrator . 4. Disable antivirus temporarily Some AVs (McAfee, Norton, Bitdefender) block symbol server writes. Disable real-time protection just for the symbol download. 5. Set a different symbol cache folder (if permission issues persist) In WinDbg or via environment variable:
The error message typically occurs when Windows or a debugger (like WinDbg, Visual Studio, or a crash dump analyzer) tries to access Microsoftβs Symbol Server. Symsrv.dll.000 Access Denied
del /f /s C:\Symbols\symsrv.dll.000 Or delete the entire cache folder (safer): rmdir /s /q C:\Symbols Right-click your debugger or
set _NT_SYMBOL_PATH=srv*D:\MySymbols*https://msdl.microsoft.com/download/symbols Use a folder inside your user profile, e.g. %USERPROFILE%\symbols . Use Process Explorer (from Sysinternals) β Find β symsrv.dll.000 β see which process has a handle to it β kill that process. Quick summary Most likely fix: Close all debuggers, delete C:\Symbols\symsrv.dll.000 (or the whole Symbols folder), then restart your debugger as Administrator. If youβre not using a debugger at all, some background application (like an automatic crash reporter) is triggering this β use Process Explorer to locate it. Disable real-time protection just for the symbol download