Thanks for trying out the steps.
As you mentioned when you try to install the file you are getting 9998 error on your PC.
Please try the steps recommended below.
Restart the computer.
Click Start, All Programs, Accessories, System Tools, and then click Disk Cleanup.
Select the hard drive with the operating system (usually C, and then click OK.
Wait for disk cleanup to calculate how much disk space it can save.
Select Temporary Files, and then click OK. It might take a while for the Disk Cleanup utility to remove the files.
Try to install the update again.
Refer this document to further troubleshoot 9998 errors.
Also, Right click the file and run the file as an administrator.
Let me know if this helps!
Have a beautiful day ahead!