Download WriteBlocking Validation Utility Download WriteBlocking Validation Utility Downloads WriteBlocking Validation Utility (64-bit Windows)Download: WbValUtil-2.0.2.1-(2019.03.06)-x64.exe (9.32 MB) WriteBlocking Validation Utility (32-bit Windows)Download: WbValUtil-2.0.2.1-(2019.03.06)-x86.exe (7.6 MB) WriteBlocking Validation Utility Web Page