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  System Api Error
Posted by: Neez - 08-07-2016, 09:25 AM - Forum: WinToUSB - Replies (1)

Hello dear support team,

I tried installing various windows OS with various versions of the program on a sandisk 32 GB USB device.
However it always errors out with the well known system api error. For specifics, I put the user.log in the attachment.

I hope you can fix this issue for me (:

Best regards

Attached Files
.txt   user.txt (Size: 190.9 KB / Downloads: 3)
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  Wintousb not detecting
Posted by: maxgadgetuk - 08-06-2016, 04:14 PM - Forum: WinToUSB - Replies (2)

today i have created windows os with wintousb, but when i set usb drive to first boot, wintousb not detecting ihave checked all setting but cant installing os, i have compaq presario 2500 old laptop

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  what is happening ?
Posted by: actprime - 08-01-2016, 08:46 PM - Forum: WinToUSB - Replies (2)

I have created a win10 copy installation on a 120gb usb solid drive .
I had to use VHD to copy my current installation . Starting up was
very slow , then I started my virtual box into this XP virtual . Its
going like a train , and uses the image of the main computer drive.

I am completely confused about what I have cloned , is it just the
start partition ?

Anyway , it is MEGA .

Cheers ian

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  Can't select a Partition
Posted by: crunkness - 07-29-2016, 07:16 AM - Forum: WinToUSB - Replies (5)

Hey guys,
i got a problem with WinToUSB. After i selected my USB Drive it show me my partitions, but i cant select them. There is a box to click but it won't. don't know what i have done wrong. In another thread someone fixed it with expanding his allocation but this didnt helped me. Some ideas or solution?
[Image: mn769md6.jpg]

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Photo How to partition USB drive?
Posted by: peter9999 - 07-26-2016, 09:19 PM - Forum: WinToUSB - Replies (1)

I have a 30GB Kingston DataTraveller USB Sick. Win-to-USB formats it to only 1 partition (MBR, NTFS). So I cant go on, as the second partition is missing.

I took the stick to a Linux and created 2 partitions (Fat32, NtfS) using gparted, as Windows cant do that (i think).

BUT when I use that stick, Win-to-USB reformats it again after selection of the target device!

How to do that?

p.s.: whats the minimum size of the boot partition? (I want to install Win10 on the USB Stick).


Attached Files Thumbnail(s)
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  Failed to run system API error
Posted by: fatwaster - 07-26-2016, 07:10 PM - Forum: WinToUSB - Replies (1)


I'm trying to put Hyper-V Server 2016 Technical Preview onto a USB stick / HDD but keep running into the same error - Failed to run system API.(0x0003001502890000) . I've tried Legacy, VHD and VHDX installs with the same results. Could you shed any light on this error (or advise what I've done wrong)? Log file is attached.



Attached Files
.txt   user.log.txt (Size: 173.88 KB / Downloads: 2)
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  Support for Arsenal Virtual SCSI disk devices as destination disk
Posted by: nbsp - 07-26-2016, 06:49 PM - Forum: WinToUSB - Replies (1)


It would be nice to have support for Arsenal Virtual SCSI disk devices as destination disk. These are virtual disk devices created by the Arsenal Image Mounter tool. Currently these are not shown in the "Please select the destination disk:" combobox (probably because they are not using the USB bus).

This way it is not necessary to use an actual physical disk as destination, but a virtual one (a VHD image, for instance). These may be used within a virtual machine. Another usage example is with Easy2Boot, which can boot VHD files.


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  Memory_Management error
Posted by: cobarcore - 07-25-2016, 09:48 PM - Forum: WinToUSB - Replies (9)

Dear all,
I'm now to this great world of Windows Portable.

I've installed Win10 on a USB flash and when starting I get a blue screen with
":( Your PC ran into a problem and needs to restart. You can restart. If you'd like to know more, you can search online later for this error: MEMORY_MANAGEMENT"

Tech data:
PC: Dell Inspiron 7359, i7, 13", USB3, Win10-64 (service tag 9ZDW682)
USB flash: Kingstone HyperX Savage 256 GB, 350/250 MB/s
Installed portable OS: Win 10-64 (installed in VHDX mode); tried also Win8-64 in VHDX and VHDX, same error.

I needed to set the Boot mode to Legacy (non UEFI) to be able to select the USB drive for boot (F12 at startup).
By the way, after setting Boot Legacy mode, when I'd like to boot again with the original OS, I need to change again Boot Mode settings to Only UEFI.

Any idea?

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  Virtual Disk to WinToUSB
Posted by: AdminFromHell - 07-25-2016, 08:26 PM - Forum: WinToUSB - Replies (1)

I installed Win7 on a virtual machine (Oracle VirtualBox).
-I got a SanDisk Ultra 32 GB USB 3.0 (connected to USB 2.0 port during all of this)
-Win7 SP1

1. Created a dynamic vhd in Windows 7, created 2 partitions:
SYSTEM - FAT32 100 MB active and primary
BOOT(Windows) - NTFS 28 GB primary

2. Then i opened the vhd in VirtualBox and installed Win7 on it.

3. Started Win2USB and choose "Image File". I opened the vhd file I just installed Win7 to.

Now here is the problem. When I come to the "Please select the system partition" screen I can only choose one partition and not the two I created.
Why? What can I do to fix that? Or are vhd files not really supported?
I guess the 0x000.. error occurs because there is only one partition.

Would be great to be able to do a VM-machine to USB-machine conversion Smile

[Image: 1628oe9.jpg]

[Image: 23jg3zq.jpg]

[Image: 2m3fktd.jpg]

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  Won´t accept preformatted partitions?
Posted by: Salerud - 07-25-2016, 01:47 AM - Forum: WinToUSB - Replies (1)


I´m having a hard time completing the installtion due to disk partition or space problem. I have used this "Kingston DT 100 G2 16 GB" (recognized as 14,6 GB) before installing Win10 but I can´t seem to succeed now.

First I tried with just using WinToUSB and letting it format the USB, then I get the disk space problem:

After that I tried manually formatting the USB into two different formations with disk part and after that MiniTool Partition Free into one primary NTFS partition with 14 GB of space and then another one with FAT32 with 987 MB of space. Then when I´m trying to use WinToUSB it doesn´t accept my partitions and want to format them:

How its formatted:


The "error":

What I´m a doing wrong?! :S

Best regards,

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