Thank you for posting your query on Microsoft Community forum.
These error code (0x8024402c) signifies that there are some damaged/corrupt System Files which is preventing the installation of the Update. Since you have already tried to run the Windows Update troubleshooter, let’s try the following steps and check.
Method 1
I would suggest you to check if you are able to access Windows Update services and also make sure that the following services are started. If it is not started follow the below mentioned steps:
a. Press Windows key + R, type "services.msc" (without quotes) in start run box and press Enter.
b. Locate Windows Update service.
c. Right click on the Windows Update service and select Properties.
d. In Start-up type, select Enable.
e. Click Start under Service status.
f. Click OK.
g. Repeat the steps c to f for the following services also:
Background Intelligent Transfer Service & Cryptographic Service.
If these steps do not help to resolve the issue, then you may proceed with the step mentioned below and check.
Method 2
Step by step instructions to get the issue fixed.
a) Press Windows key + X and select Command Prompt (Admin).
b) On the open Command Prompt window copy and paste the commands (all at once)
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
c) Wait for the process to complete.
d) Close the Command Prompt.
Now, try to install Windows Updates again and check if it helps.
==>> 
