From The RadioReference Wiki
The GRE PSR-800 EZ Scan is a revolutionary approach to scanner listening. It allows you to listen to desired communications without PC or Internet programming because everything is.
Psr 800 Firmware Update
Note: For other PC Driven scanners, please see the Connection Issues Under Win 10.x Using the WS-1080 / 1095 article
Preparation
- Windows 10 update from 1511 to 1607
- EZScan needs to be uninstalled
- EZ Scan folder removed in 'My Documents' (probably better to rename it since this is where all your settings, scanlists and programming are stored)
- Reboot
Procedure
This procedure requires administrator privileges and connection to the Internet
- Download EZScanDGInstall_v1.08 from the greamerica.com web site, save it in a folder (e.g. named GRECOM) and unzip it in that folder. EZScanDGInstall_v1.08.exe will be created.
- Instruct Windows to boot into the 'Options' menu. Either click on the 'Power' button, hold down the 'Shift' key while clicking 'Restart or Run: shutdown.exe /r /o /f /t 00
- After rebooting into the “Options Menu”, click “Troubleshoot” and then “Advanced options”.
- On the next page, select 'Advanced Options'.
- Select the 'Startup Settings' to change the behavior of Windows Startup and then click restart or reboot on the next page.
- A menu with 9 selections will appear. Select number 7 or F7 to 'Disable Driver Signature enforcement'.
- Windows 10 will restart.
- Install the EZScan software by running the downloaded and unzipped EZScanDGInstall_v1.08.exe .
- Run the installed software and update it from inside to 1.9 Bld 301.
- Connect your PSR-800 scanner to the computer. Wait for the default driver installation, which is completed when a file explorer window with the scanner SD card contents pops up.
- Now correct the scanner driver. In the Device Manager, find the extra USB Communications Port assigned to the scanner under 'Ports (COM&LPT)'.
- Update the driver with this special procedure:
- 'Driver' tab
- 'Update Driver'
- 'Browse my computer for driver software'
- 'Let me pick from a list of device drivers on my computer'
- 'GRECOM PSR-800 Serial Device'
- 'Next'.
- If 'GRECOM PSR-800 Serial Device' is not shown then go back one screen and select 'Browse for driver software on your computer', type this file path: C:WindowsInfGRECOM_PSR-800.inf and click on 'Next'.
- If a warning screen about the risk of unsigned drivers appears, select the unsigned driver option because the PSR-800 driver is unsigned.
- Repeat the PSR-800 driver installation steps 10 - 14 for each physical USB port on your computer.
- You can verify the driver installation by checking in the device manager that now your scanner shows up under 'Ports (COM&LPT)' as 'GRECOM PSR-800 Serial Device'.
These instructions come from this thread
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