Our customer have a case about Error when start to open ZWCAD 2021, after completed installation on Windows 8 Pro 64 bit.

They already uninstall and re-install  Visual C++ Runtime 2005-2019, .NET Framework 4.62, 4.72, and 4.8, restart and uninstall & reinstall ZWCAD 2021.

But the Error is still remain, when they want to start open ZWCAD 2021 with same message : “The application was unable to start correctly (0xc000007b). Click OK to close the application.”


Solution:

  1. Uninstall ZWCAD 2021 & remove all remain files in folder and Registry Windows.
  2. Uninstall all Microsoft Visual C++ Redistributable (2005/2008/2010/..2015) in user PC.
  3. Download MS Visual C++ Redistributable Runtime All in One (2005-2019) x64 & x86 – from : https://www.techpowerup.com/download/visual-c-redistributable-runtime-package-all-in-one/
  4. Download the latest .Net Framework for 4.6x, 4.7x, 4.8 from https://dotnet.microsoft.com/download/dotnet-framework
  5. Install all download files
  6. Restart PC
  7. Install ZWCAD_2021_SP1_Eng_Win_64Bit  (user using Windows 8.1 Pro 64 bit system)
  8. Run ZWCAD 2021 and activate the license by online.