So we will have to update Windows either 7, 8, or 10 in the following way. Updating Windows to fix the isdone.dll errorĪnother reason that can cause this error to appear is having an outdated operating system.
We will enter the command prompt (a black window) where we must type “sfc /scannow” and press “Enter”.Press the “Windows + R” keys, in the “Run” window type “cmd” and press “Enter”.We will start by fixing the possible corrupted files that are the source of this problem. Now that we know a little bit about why this error happens and that several causes provoke it, it is time to get into it and try the following solutions to fix this problem. Depending on the cause, we will have to use one solution or another of the ones we will show you below. However, they are not the only causes for which it appears so we will have to try each solution. Generally, the appearance of the isdone.dll error is due to two main causes: corrupted files or the lack of the isdone.dll file.
