attiny85 micro usb development programming issues

i bought a few attiny85 development boards(digispark compartible), i followed the instructions as per the video below. Cores load well, driver install correctly, code compiles as shown below, ISSUE is that the CODE DOES NOT UPLOAD
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Video tutorial

Sketch uses 3100 bytes (51%) of program storage space. Maximum is 6012 bytes.
Global variables use 135 bytes of dynamic memory.

{runtime.tools.micronucleus.path}/launcher -cdigispark --timeout 60 -Uflash:w:C:\Users~1\AppData\Local\Temp\arduino_build_47256/scrolling_text.ino.hex:i
java.io.IOException: Cannot run program “{runtime.tools.micronucleus.path}/launcher”: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1048)
at processing.app.helpers.ProcessUtils.exec(ProcessUtils.java:26)
at cc.arduino.packages.Uploader.executeUploadCommand(Uploader.java:129)
at cc.arduino.packages.uploaders.SerialUploader.uploadUsingPreferences(SerialUploader.java:207)
at cc.arduino.UploaderUtils.upload(UploaderUtils.java:78)
at processing.app.SketchController.upload(SketchController.java:713)
at processing.app.SketchController.exportApplet(SketchController.java:686)
at processing.app.Editor$DefaultExportHandler.run(Editor.java:2168)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: CreateProcess error=2, The system cannot find the file specified
at java.lang.ProcessImpl.create(Native Method)
at java.lang.ProcessImpl.(ProcessImpl.java:386)
at java.lang.ProcessImpl.start(ProcessImpl.java:137)
at java.lang.ProcessBuilder.start(ProcessBuilder.java:1029)
… 8 more
An error occurred while uploading the sketch

from experience i don’t think the code is the problem since i tried the “blink sketch” too, in vain. Even the timeout to plug in the board does not happen

Kindly assist if you may](TUTORIAL: Quickly Getting Started ATTINY85 - In 9 Minutes! (Digistump Serial Output) - YouTube)