Emulate serial port, create virtual COM pairs for Windows PC

Virtual Serial Port Driver

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Download Virtual Serial Port Driver 9.0 Build 9.0.567

Virtual Serial Port Driver

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What's new in this version:

Virtual Serial Port Driver 9.0 Build 9.0.567
- Added: Windows Server 2016 support
- Added: full Windows 10 support
- Improved: new software protection system
- Improved: GUI compatibility with high-resolution monitors
- Improved: displaying a more detailed information about the virtual serial ports in the device manager
- Improved: drivers are digitally signed with WHQL
- Improved: the ports are marked as occupied to the system, which prevents them from being overlapped (e.g. by USB to serial driver)
- Improved: the information about created virtual ports is removed after the application uninstallation
- Fixed: displaying of the newly created virtual ports in the device manager
- Fixed: timeouts processing during the read operation
- Fixed: flow control displaying when a serial port was opened by HyperTerminal

Virtual Serial Port Driver 8.0 Build 8.0.412
- Added: possibility to create ports for the current user session only. Allows RDP users to create port with the same name (e.g. COM1) in each user session.
- Added: you can enable automatic update of ports' list, thus you can see pairs created in other user sessions
- Improved: instantaneous ports creation lets working with them even before PnP manager detects the newly added ports
- Improved: ports can be deleted even if they are open by other applications
- Fixed: loopback pinout wouldn't save for a ports pair after the system reboot
- Fixed several issues: canceling IRP and timeout Read/Write operations

Virtual Serial Port Driver 7.2 Build 7.2.308
- Added: 64-bit version of Virtual Serial Port Driver library for creating 64-bit applications
- Added: Java code sample in the OEM build
- Improved: overall application stability
- Fixed: BSOD when serial port was opened by Ham Radio Deluxe software
- Fixed: BSOD when trying to cancel IOCTL_SERIAL_GET_WAIT_MASK request
- Fixed: BSOD when trying to cancel Read call
- Fixed: BSOD caused by low timeout value used with write requests accompanied by high system load
- Fixed: several BSOD cases, including those caused by timeout requests and attempts to cancel all read, write and ioctl calls

Virtual Serial Port Driver 7.0.1.263
- Added: full Windows 7 support
- Added: signal lines pinout scheme while customizing pinouts
- Added: detection of the application virtual serial port was created with
- Added: program uninstaller verifies that Virtual Serial Port Driver is not launched
- Added: application restart is not required after entering registration info
- Added: virtual serial port pairs, created by Virtual Serial Port Driver, are removed after the program uninstallation
- Improved: Virtual Serial Port Driver and all of its internal drivers stability
- Fixed: BSOD when virtual serial port is opened with strict baud rate value less than 8 Bd
- Fixed: BSOD when virtual serial port, created by VSPD on a real machine, was used by a virtual machine as physical real port
- Fixed: data distortion during transmission on multicore systems
- Fixed: bug with granting port access to an application
- Fixed: data loss during simultaneous data transmission from both ports with "Xon/Xoff" option enabled
- Fixed: freezing of application, which opened virtual serial port created by VSPD, if RTS_CONTROL_TOGGLE parameter was enabled
- Fixed: multicore system freezing during data transmission with Xon/Xoff or Hardware Flow Control enabled
- Update: Windows 98 and Windows NT 4.0 support is available only in OEM version now


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