Hello -- I am running win 10 / 1909 64bit --- all current update applied -- I download the win binaries including the zip ones -- I unzipped fio-3.16-x64.zip and ran fio.exe --- Is it looking for a DLL This is the text from the event log --- Windows cannot access the file for one of the following reasons: there is a problem with the network connection, the disk that the file is stored on, or the storage drivers installed on this computer; or the disk is missing. Windows closed the program fio.exe because of this error. Program: fio.exe File: The error value is listed in the Additional Data section. User Action 1. Open the file again. This situation might be a temporary problem that corrects itself when the program runs again. 2. If the file still cannot be accessed and - It is on the network, your network administrator should verify that there is not a problem with the network and that the server can be contacted. - It is on a removable disk, for example, a floppy disk or CD-ROM, verify that the disk is fully inserted into the computer. 3. Check and repair the file system by running CHKDSK. To run CHKDSK, click Start, click Run, type CMD, and then click OK. At the command prompt, type CHKDSK /F, and then press ENTER. 4. If the problem persists, restore the file from a backup copy. 5. Determine whether other files on the same disk can be opened. If not, the disk might be damaged. If it is a hard disk, contact your administrator or computer hardware vendor for further assistance. Additional Data Error value: 00000000 Disk type: 0 - -- Frank Esposito