This is the error I get if I don't rename nssm64.exe to nssm.exe

jsreport.exe render --template.content=test.html --template.engine=handlebars --template.recipe=chrome-pdf --out=out.pdf --meta=out.meta
(node:30892) UnhandledPromiseRejectionWarning: Error: ENOENT: no such file or directory, chmod 'C:\Users\dsenoran\AppData\Local\Temp\jsreport\compile\jsreport-2.9.0-SJEB3Pyev\nssm.exe'
(node:30892) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). To terminate the node process on unhandled promise rejection, use the CLI flag --unhandled-rejections=strict (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 1)
(node:30892) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code

Yes, i have x64 Windows

I have updated the nuget packages but I have the same error.
The command works after I have renamed the file nssm64.exe in "jsreport/compile/jsreport-2.11.0-SJu_2xpjD" folder to nssm.exe because before this I got an error due to it couldn't find this file.
The meta file has been generated with this data:

{"reportName":"report","contentType":"application/pdf","fileExtension":"pdf","logs":[{"level":"info","message":"Starting rendering request 1 (user: null)","timestamp":1614091522107},{"level":"info","message":"Rendering anonymous template { recipe: chrome-pdf, engine: handlebars }","timestamp":1614091522109},{"level":"debug","message":"Data item not defined for this template.","timestamp":1614091522109},{"level":"debug","message":"Resources not defined for this template.","timestamp":1614091522109},{"level":"debug","message":"Base url not specified, skipping its injection.","timestamp":1614091522111},{"level":"debug","message":"Rendering engine handlebars using in-process strategy","timestamp":1614091522115},{"level":"debug","message":"Compiled template not found in the cache, compiling","timestamp":1614091522161},{"level":"debug","message":"Executing recipe chrome-pdf","timestamp":1614091522164},{"level":"debug","message":"Converting with chrome HeadlessChrome/79.0.3945.0 using dedicated-process strategy","timestamp":1614091522510},{"level":"debug","message":"Page request: GET (document) file:///C:/Users/dsenoran/AppData/Local/Temp/jsreport/autocleanup/c80e78a6-bbe4-4a0e-a854-34fd03e7ccc9-chrome-pdf.html","timestamp":1614091522947},{"level":"debug","message":"Page request finished: GET (document) file:///C:/Users/dsenoran/AppData/Local/Temp/jsreport/autocleanup/c80e78a6-bbe4-4a0e-a854-34fd03e7ccc9-chrome-pdf.html","timestamp":1614091522955},{"level":"debug","message":"Running chrome with params {"margin":{},"printBackground":true}","timestamp":1614091522990},{"level":"debug","message":"Skipping storing report.","timestamp":1614091523285},{"level":"info","message":"Rendering request 1 finished in 1178 ms","timestamp":1614091523285}]}

Thanks for your quick answer, I already do this but the error persist.
The "autocleanup" directory exists but the file "metaac2524b0-f501-487a-b759-6dabaaf28b9f' not.

Yes, both are failing with the same error and I have paused the antivirus.

I have downloaded and tried you .net example

Console.WriteLine("Rendering template");

            var rs = new LocalReporting()
                .UseBinary(JsReportBinary.GetBinary())
                .KillRunningJsReportProcesses()
                .Configure(cfg => cfg.FileSystemStore().BaseUrlAsWorkingDirectory())
                .AsUtility()
                .Create();

            var report = rs.RenderByNameAsync("myTemplate", null).Result;

            using (var fs = File.Create("test.pdf"))
            {
                report.Content.CopyTo(fs);
            }

and I have the next error "FileNotFoundException: Could not find file 'C:\Users\dsenoran\AppData\Local\Temp\jsreport\autocleanup\metaac2524b0-f501-487a-b759-6dabaaf28b9f'"