I:\>n: N:\>cd \ N:\>cd "slave vm" N:\Slave VM>call shrink "office-sata" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "office-sata".vdi --compact 0%...10%...20%... Progress state: VBOX_E_FILE_ERROR VBoxManage.exe: error: Failed to compact medium VBoxManage.exe: error: Could not compact medium 'N:\Slave VM\office-sata.vdi' (VERR_IO_CRC) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleModifyMedium(struct HandlerArg *)" at line 731 of file VBoxManageDisk.cpp N:\Slave VM>call shrink "swap" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "swap".vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% N:\Slave VM>call shrink "swap2" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "swap2".vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% N:\Slave VM>call shrink "swap3" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "swap3".vdi --compact VBoxManage.exe: error: Could not find file for the medium 'N:\Slave VM\swap3.vdi' (VERR_FILE_NOT_FOUND) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee IUnknown VBoxManage.exe: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 179 of file VBoxManageDisk.cpp N:\Slave VM>call shrink "slave64" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "slave64".vdi --compact 0%... Progress state: VBOX_E_FILE_ERROR VBoxManage.exe: error: Failed to compact medium VBoxManage.exe: error: Could not compact medium 'N:\Slave VM\Slave64.vdi' (VERR_IO_CRC) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleModifyMedium(struct HandlerArg *)" at line 731 of file VBoxManageDisk.cpp N:\Slave VM>call shrink "kix1-blue" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "kix1-blue".vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% N:\Slave VM>call shrink "kix3-white" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "kix3-white".vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% N:\Slave VM>call shrink "kix2-red" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "kix2-red".vdi --compact 0%... Progress state: VBOX_E_FILE_ERROR VBoxManage.exe: error: Failed to compact medium VBoxManage.exe: error: Could not compact medium 'N:\Slave VM\kix2-red.vdi' (VERR_IO_CRC) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleModifyMedium(struct HandlerArg *)" at line 731 of file VBoxManageDisk.cpp N:\Slave VM>call shrink "Mozilla Data" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "Mozilla Data".vdi --compact 0%... Progress state: VBOX_E_FILE_ERROR VBoxManage.exe: error: Failed to compact medium VBoxManage.exe: error: Could not compact medium 'N:\Slave VM\Mozilla Data.vdi' (VERR_IO_CRC) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium VBoxManage.exe: error: Context: "enum RTEXITCODE __cdecl handleModifyMedium(struct HandlerArg *)" at line 731 of file VBoxManageDisk.cpp N:\Slave VM>call shrink "outlook-pst100g2" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "outlook-pst100g2".vdi --compact 0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100% N:\Slave VM>call shrink "MS Office-AOL-Swap" N:\Slave VM>"z:\program files\oracle\virtualbox\vboxmanage.exe" modifyhd "MS Office-AOL-Swap".vdi --compact VBoxManage.exe: error: Could not find file for the medium 'N:\Slave VM\MS Office-AOL-Swap.vdi' (VERR_FILE_NOT_FOUND) VBoxManage.exe: error: Details: code VBOX_E_FILE_ERROR (0x80bb0004), component MediumWrap, interface IMedium, callee IUnknown VBoxManage.exe: error: Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, enmAccessMode, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 179 of file VBoxManageDisk.cpp N:\Slave VM>cd \ N:\>dir Volume in drive N is AlphaBaseN 3TB Volume Serial Number is FA18-5087 Directory of N:\ 10/20/2017 11:01 PM 0 Recovery.txt 11/17/2018 12:16 AM Slave VM 08/31/2016 08:46 AM VM Backups 08/29/2018 08:51 PM VM Sweep Backups 1 File(s) 0 bytes 3 Dir(s) 896,187,953,152 bytes free N:\>cd slave vm N:\Slave VM>dir Volume in drive N is AlphaBaseN 3TB Volume Serial Number is FA18-5087 Directory of N:\Slave VM 11/17/2018 12:16 AM . 11/17/2018 12:16 AM .. 12/28/2010 08:33 AM 82 chuuid.bat 05/16/2018 03:34 PM 74 clonev.bat 12/28/2018 02:49 PM 6,364,856,320 kix1-blue.vdi 12/28/2018 02:50 PM 4,512,022,528 kix2-red.vdi 12/28/2018 02:50 PM 3,572,498,432 kix3-white.vdi 12/28/2018 04:30 PM 11,793,334,272 Mozilla Data.vdi 12/28/2018 01:50 PM 24,073,207,808 MS Office - AOL Data.vdi 12/28/2018 02:44 PM 73,473,720,320 office-sata.vdi 12/28/2018 03:08 PM 101,749,620,736 outlook-pst100g2.vdi 12/28/2018 02:47 PM 1,102,053,376 Slave64.vdi 12/28/2018 02:45 PM 4,984,930,304 swap.vdi 12/28/2018 02:46 PM 5,052,039,168 swap2.vdi 12 File(s) 236,678,283,420 bytes 2 Dir(s) 896,187,953,152 bytes free N:\Slave VM>