Question

How to fix an error has occured during assembling the file?

Answer 1

$\textbf{Follow setup by setup}$

•Stop the downloading any files in IDM and other download Managers also in browsers.

•Close the IDM with Cross sign in the IDM window (not from task bar or task manager)

•Close all programs especially the Browsers

•Disconnect from the internet and reconnect again (wait for 10 Seconds)

•Open up the IDM

•Open up the corrupted (99% error) file

•Right click on the file

•Go to properties

•In the URL link section after whole 
characters add a question symbole

•Then resume the downloading operation

•Wait for 5 minutes

$\textbf{Hope its helps}$