SMB (File Sharing) Troubleshooting

Problem
You receive the following error message:
Error 0x80070035: TODO(error message).
Solution
AllowInsecureGuestAuth.reg
DisableSMBClientSigning.reg
Using Command Prompt
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" ^
  /v AllowInsecureGuestAuth /t REG_DWORD /d 1 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" ^
  /v EnableSecuritySignature /t REG_DWORD /d 0 /f
reg add "HKLM\SYSTEM\CurrentControlSet\Services\LanmanWorkstation\Parameters" ^
  /v RequireSecuritySignature /t REG_DWORD /d 0 /f
Refusing to Accept Valid Credentials
Solution - Change SID
SIDCHG.exe
https://www.stratesave.com/html/sidchg.html
They provide trial keys, in case they are expired simply change system time to match expiration date.