I re-downloaded the Sandox & re-imported into VirtualBox - and am able to start the SanbBox now.. i guess the earlier SandBox was corrupted .. Unfortunately, the earlier changes i made are lost now 😞 ... View more

@Michael Young, let me check that Actually, i thought i'll remove the SandBox (w/o deleting the files) and re-add .. But after doing that, it's not showing any progress bar now.. so not sure if it is starting any ideas ? ... View more

@jss, @Michael Young attaching screenshot of the terminal, it seems to be stuck therescreen-shot-2016-11-10-at-104903-am.png Any ideas ? ... View more

@Nitin Saraswat Additional logs (VBox.log) Karans-MacBook-Pro-3:Logs karanalang$ tail -50 VBox.log 00:00:09.267120 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=86 00:00:09.267436 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=87 00:00:09.267729 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=87 00:00:09.268053 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=88 00:00:09.268365 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=88 00:00:09.268680 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=89 00:00:09.268974 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=89 00:00:09.269289 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8a 00:00:09.269584 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8a 00:00:09.269901 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8b 00:00:09.270196 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8b 00:00:09.270607 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8c 00:00:09.270906 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8c 00:00:09.271200 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8d 00:00:09.271475 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8d 00:00:09.271769 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8e 00:00:09.272043 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8e 00:00:09.272337 VMMDev: Guest Log: int13_harddisk_ext: function 41, unmapped device for ELDL=8f 00:00:09.272612 VMMDev: Guest Log: int13_harddisk: function 02, unmapped device for ELDL=8f 00:00:09.419937 GIM: KVM: VCPU 0: Enabled system-time struct. at 0x000000021ff83000 - u32TscScale=0xbda12f6d i8TscShift=-1 uVersion=2 fFlags=0x1 uTsc=0x50762cf37 uVirtNanoTS=0x1dcd2046d 00:00:09.419999 TM: Switching TSC mode from 'VirtTscEmulated' to 'RealTscOffset' 00:00:09.667554 GIM: KVM: Enabled wall-clock struct. at 0x0000000001c6ff08 - u32Sec=1478801606 u32Nano=905054757 uVersion=2 00:00:09.727196 PIT: mode=2 count=0x4a9 (1193) - 1000.15 Hz (ch=0) 00:00:09.880403 PIT: mode=0 count=0x10000 (65536) - 18.20 Hz (ch=0) 00:00:09.895191 GIM: KVM: VCPU 1: Enabled system-time struct. at 0x000000021ff83040 - u32TscScale=0xbda12f6d i8TscShift=-1 uVersion=2 fFlags=0x1 uTsc=0x50762cf37 uVirtNanoTS=0x1dcd2046d 00:00:09.909969 GIM: KVM: VCPU 2: Enabled system-time struct. at 0x000000021ff83080 - u32TscScale=0xbda12f6d i8TscShift=-1 uVersion=2 fFlags=0x1 uTsc=0x50762cf37 uVirtNanoTS=0x1dcd2046d 00:00:09.926711 GIM: KVM: VCPU 3: Enabled system-time struct. at 0x000000021ff830c0 - u32TscScale=0xbda12f6d i8TscShift=-1 uVersion=2 fFlags=0x1 uTsc=0x50762cf37 uVirtNanoTS=0x1dcd2046d 00:00:10.123431 OHCI: Software reset 00:00:10.380271 OHCI: USB Reset 00:00:10.430578 OHCI: Software reset 00:00:10.430702 OHCI: USB Operational 00:00:11.070707 PIIX3 ATA: Ctl#0: RESET, DevSel=0 AIOIf=0 CmdIf0=0xc4 (-1 usec ago) CmdIf1=0x00 (-1 usec ago) 00:00:11.070770 PIIX3 ATA: Ctl#0: finished processing RESET 00:00:11.071194 PIIX3 ATA: Ctl#1: RESET, DevSel=0 AIOIf=0 CmdIf0=0x00 (-1 usec ago) CmdIf1=0x00 (-1 usec ago) 00:00:11.071269 PIIX3 ATA: Ctl#1: finished processing RESET 00:00:14.084596 NAT: IPv6 not supported 00:00:14.179503 NAT: DHCP offered IP address 10.0.2.15 00:00:16.068282 NAT: Link up 00:00:50.066652 NAT: DHCP offered IP address 10.0.2.15 00:00:54.700790 NAT: Link up 00:05:38.346443 OHCI#0: Lagging too far behind, not trying to catch up anymore. Expect glitches with USB devices 00:05:47.904933 OHCI#0: Lagging too far behind, not trying to catch up anymore. Expect glitches with USB devices 00:12:17.096962 GUI: UIMediumEnumerator: Medium-enumeration started... 00:12:17.323011 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:12:42.310920 PIIX3 ATA: execution time for ATA command 0xca was 9 seconds 00:12:52.575301 PIIX3 ATA: execution time for ATA command 0xca was 8 seconds 00:13:49.375336 PIIX3 ATA: execution time for ATA command 0xca was 8 seconds 00:30:14.732950 NAT: DHCP offered IP address 10.0.2.15 00:30:19.588913 NAT: Link up 00:47:37.856692 OHCI#0: Lagging too far behind, not trying to catch up anymore. Expect glitches with USB devices Karans-MacBook-Pro-3:Logs karanalang$ ... View more

@Nitin Saraswat, Thanks for response.. pls see screenshot with an error .. Pls let me know if this is an issue, and what needs to be done ? Sandbox is still starting up after 10-15 minsscreen-shot-2016-11-10-at-104903-am.png ... View more

@Michael Young i've restarted the VirtualBox multiple times since yesterday, to try to fix the issue. I've shut down(powered off) the application, and then restarted again... with the same issue. ... View more

@jss - it is allocated 8GB memory ... View more

screen-shot-2016-11-09-at-112408-pm.pngScreenshot attached ... View more