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Errors related to libusb0.dll can arise for a few different different reasons. For instance, a faulty application, libusb0.dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry.
The most commonly occurring error messages are:
Then select uninstall drivers. This will remove the drivers that windows automatically installs that don’t work. Unplug your controller and replug it in. Then go to the amd64 folder (if you have a 64bit system) or the x86 (If you have a 32bit system) in LibUSB and run the install-filter-win.exe. Download Libusb win32 Driver Latest Version 2021. This driver is designed to connect the mobile to the computer. If you use a Miracle or UMT dongle then this driver will be needed. If you want to unlock the mobile phone. To install LibUSB on your Windows computer, follow this instructions: 1. Download latest version of LibUSB from. Make sure that you download a zip archive with the file name like 'libusb- win32-bin.zip' (stands for a number like 1.2.2.0). Otherwise you can see all files under and download the right one from there.
- The program can't start because libusb0.dll is missing from your computer. Try reinstalling the program to fix this problem.
- There was a problem starting libusb0.dll. The specified module could not be found.
- Error loading libusb0.dll. The specified module could not be found.
- The code execution cannot proceed because libusb0.dll was not found. Reinstalling the program may fix this problem.
- libusb0.dll is either not designed to run on Windows or it contains an error. Try installing the program again using the original installation media or contact your system administrator or the software vender for support.
In the vast majority of cases, the solution is to properly reinstall libusb0.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.
For detailed installation instructions, see our FAQ.
All of the latest versions of essential firmware configuration programs, USB driver and their associated documentation can be obtained from Fred PE0FKO's website:
- USB driver: (search for 'Download Firmware source and .hex files')
- CFGSR program: (search for 'Download')
In order to test (and later, operate) your rig, you must download and install required software (SDR programs and Dynamic Link Libraries, along with hardware drivers. The actual steps and programs may vary, depending upon your computer's windows operating system version (XP, Vista, Windows 7, 8, or 10) and architecture CPU/memory (32 bit or 64 bit). Generally, the process involves the following:
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- Install the libraries and drivers (PE0FKO'a 'All-In_One' Installer
- Test installation using CFGSR
- When ready to operate, install desired SDR program (e.g., HDSDR, SDR#, Rocky, PowerSDR, etc)
The following links are provided and, as of 1/22/2012, are current. Links highlighted in an Aqua-colored background apply only to those Softrock kits that use the SI570 programmable oscillator:
| Software | Role/Purpose | Function | Download Link | Notes |
|---|---|---|---|---|
| CFGSR | Configure/Control Ensemble microcontroller | Configure | download | See the FiveDash documentation for software installation |
| SRDLL | dll for other Softrock controllers | Control | (now part of CFGSR install file, so no need to go out and find/install it separately.) | |
| New All-In-One Driver Installer (See Section Titled 'Install the PC driver software automatic' | New installer for 'signed' PE0FKO-USB-Driver from Fred, PE0FKO. | Driver | Download | See the FiveDash documentation for software installation |
| USB driver(s) | drivers for ATTiny85 USB | Driver | download | Zip file with 32 and 64 bit drivers (latest version is 1.2.6.0)*. Preferred installation method is the 'All in One' method depicted above and further described in the FiveDash documentation for software installation . |
| (32/64 bit Windows 7, Vista, XP) PowerSDR-V2.4 For Homemade SDR Transceivers | Latest Version of FlexRadio's PowerSDR tailored for I/Q Soundcard-based SDRs. Click here for installation instructions. | RXTX | download | Has Si570 Control Capability ( Please see Christos Nikolaou' message 2583 on the PowerSDR-IQ Yahoo Reflector). This is good for all Windows platforms and handles RX and TX in all modes. All required software (to include the All-In-One USB Driver Installer) is furnished. One needs only to download the basic FLex PowerSDR V2.4.4 from the Flex site) to have a complete software solution. This is the most comprehensive of all the packages. However, commensurate with its power comes a steep learning curve. |
| SDR # | SDR # ('SDR Sharp') for RX | RX | Download | Very good and simple program (RX only; TX tbd) from Youssef Touil. Alan, G4ZFQ, has a nice article on setting up SDR# for an Ensemble RX II. |
| Rocky (V3.7). (V3.8 has been developed for later Windows versions) | Simple SDR (RX/TX) Program (see note below) | RXTX | download | SSB RX, CW and PSK-31 RXTX. Great little Windows-based program (but it has hsd its issues with more modern versions of Windows - soundcards. The later version of Rocky - V3.8 - addresses many of these issues.). |
| HDSDR (V2.7) | Elegant SDR (RXTX) Program (based upon original Winrad) | RXTX | download | CW is very basic and only properly useable on the older 6.3 Softrocks. For installation and setup info, see: these pages from Alan, G4FZQ. Also, see the FiveDash documentation for software installation |
| (Windows XP) PowerSDR-IQ V1.12.20 | Version of FlexRadio's PowerSDR tailored for I/Q Soundcard-based SDRs | RXTX | download | Has Si570 Control Capability. Based upon recent experience, the PowerSdr v2.4 above is recommended in lieu of this version. |
| (Windows 7, Vista) PowerSDR-IQ V1.19.3.15 | Earlier version of FlexRadio's PowerSDR tailored for I/Q Soundcard-based SDRs | RXTX | download | Based upon recent experience, the PowerSdr v2.4.4 above is recommended in lieu of this version. Has Si570 Control Capability (Please see Christos' message 43204 on the Yahoo Reflector) |
| com0com | An open source null modem/virtual serial port manager | Utility (VSP) |
| Com0com is useful for interfacing third-party CAT-based software (e.g., HRD, FLDIGI, etc.) with PowerSDR or other CAT-capable SDR programs. Christos Nikolaou, SV1EIA, has provided this signed version of com0com's installation file for Windows 7 64 bit OS (which requires a signed version). |
| VAC | Virtual Audio Cable - a software audio 'patch cable' | Utility (VAC) - Free trial (but don't use trial on the air!) | Website for download: http://software.muzychenko.net/eng/vac.htm | VAC is indispensible when attempting to interface thrird party programs (e.g., HRD, FLDIGI, etc.) with SDR Programs. It allows us to 'patch' audio to and from the soundcard to another program. |
Install Driver
To be extra safe, it is highly recommended that you install the drivers with no other USB devices connected directly to your PC during the install. If your mouse and/or keyboard are USB, reconnect them through a USB hub. This seems to help avoid the dreaded 'Unknown Device' Problem.
If you do not use the All_in_One Installer from PE0FKO, the correct procedure is to download the driver and put it in a suitable folder, then plug in the USB lead, Windows should detect new hardware has been found and you need to manually point it to the folder containing the drive. It should then install correctly. Certainly does on Win2000 and XP. On Vista or Windows 7, there used to be some issues with driver signing. There have been messages on the forum describing methods of working around these issues. One such solution is addressed in the author's MOBO4.3 builders notes.
LibUSB - 'Unknown Device' Error
Others have experienced the dreaded 'Unknown Device' problem upon plugging in the USB cable after having installed the LibUsb driver. This 'unknown device' problem (and a remedy for those who are using Logitech cordless mouse and/or various wireless internet connection adaptors) are discussed in message #45071 and Message #47755 on the Yahoo Softrock40 Group
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Another valueable resource for troubleshooting the 'unknown device' error is Alan's webpage Installing the ATTiny45/85_USB Controller
Install/Run CFGSR ('ConFiGureSoftRock') (automatically installed in All-In_One Installer)
Once the driver is installed, if you run 'CFGSR' that will either automatically 'open' the firmware, or if not, you need to go to the 'USB' tab and select it from the list displayed in the bottom box. Which way depends on if you have 'CFGSR' set up to auto connect on program start or not.
Libusbx.org Driver Download
Following configuration with CFGSR, it is adviseable to use one of the simpler SDR programs for initial testing of RX (and/or TX) functionality, even though you may want to have a more robust piece of software as your ultimate radio.
For further discussions of the software side of SDR and soundcard issues, see Alan G4ZFQ's pages.
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Test Local Oscillator Using CFGSDRr
You can use 'CFGSR' to exercise the Si570 using the 'Tune' tab that makes it into a 'VFO'. Just a case of setting the frequency, and the Si570 should output a signal at 4 times the frequency displayed on the main display on the screen. Tuning can be done either by typing in the frequency or by using the mouse wheel to change the frequency by increments ranging from 1kHz to 10 MHz.
The 'Test' tab can also be used to look at all the various Si570 registers etc, but probably unnecessary as if you can hear or measure the Si570 output frequency, you know it is working.
Optionally, Install SD Program
You may, if you wish, install the SDR program of your choice here (e.g., HDSDR, Rocky, SDR#, etc.). However it is not necessary until the final stage of the build project, when you test out the receiver.
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usbsoftrock' [Linux]:There is also a usb driver for Linux platforms. it's no longer available from the Google Code repository, but is still available in various Linux distros and in Alex Lee's github repo at https://github.com/alexlee188/usbsoftrock-alex