Sometimes the installation gets cancelled.
Any changes that you make to your PC while installation is going on are not saved. Windows is unable to install needed files. Check if all necessary files for installation are there and then restart the process of installation. In case you encounter the error – 0x8007045d
Remove the virus effect
Windows update checks the programs installed on your system and identify the threats/program causing problems to your system. In case there are any problems found, window update process displays with a common error code that has more than one solutions depending on the version installed on the system.
What you need to do is to head to the windows panel and look for antivirus installed on your system so that you can carry out a system scan, which will be a time consuming process, but will it will erase the programs that are attacking the system.
It will let you clean the system and erase the threats and virus infections leading to errors in windows, now restart the installation and see if the error code 0x8007045d is fixed.
System configuration files needs to be repaired
There is a possibility that configuration files might stop you from updating windows, window system files may be corrupted or may need to be repaired as necessary files can be lost and you can correct them with steps given below.
Open search box—search msconfig.
This will take you to the configuration page wherein you need to be real and monitor all system configuration files.
Hide the Microsoft services and then disable all other services and then repair other files post authentication process.
After you disable other services and make changes then restart the installation process and check if error code 0x8007045d vanished or not.
Remove media devices connected
Remove the media devices connected as their respective installed software might prevent windows to carry out the update process and produce error code 0x8007045d. Remove the connected devices using the disconnecting process, don’t just remove the wires but go with the formal method which will be helpful and then check for the installation process again.
Reset and Restore
In case none of the above ways work for you then you need something that comes instantly. Do not forget to backup your crucial data.
Go to –window settings—update and security—reset pc.
Just follow the screen instructions given and then boot the system and return to default settings given earlier and then update to the latest version.
As there are multiple fixes available, you can try these and find out which one works for you. Just need to follow the steps very carefully.