Windows error 0x8007045d occurs while reinstalling the Windows operating system as well as it can be in the form of a message like ” Windows cannot install the required files.” Check that all the files required for the installation are available, and restart the installation. “

Causes of Error:

  • Corrupt registry files.
  • Damaged installation medium (DVD or USB key).
  • Bad sectors on the hard drive.
  • Damaged memory modules.
  • Infection par Virus/Malware.

There are several methods to fix it. that of course depends on your particular situation. You need to try several solutions to see which of them works.


A simple cleaning can easily fix it as long as it doesn’t cause another problem.

Consider using a different backup media in case the error occurs while backing up programs/applications.

You should also check and make sure that your computer’s DVD drive is working properly if the error occurs while reinstalling the OS.

You may also need to use a different USB port if you are reinstalling the operating system using a USB flash drive.

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Backing up programs and/or files with Anti-Virus / Firewall enabled can cause serious conflicts, which results in error code 0x8007045d.

You should turn off the antivirus and firewall before backing up files to make sure you can do it without any issues.


Bad sectors in storage media (hard drive) prevent data recovery. It prevents the OS from loading the necessary files. Using the inbuilt repair tool can easily fix any bad sector which will fix it.

Press the two Win + X keys to open the menu.
Select the option ” Command Prompt (Admin) “.
Click ” Yes ” you must command prompt as administrator.
type« chkdsk« .
Leave a blank space after the ” chkdsk ” before you type the drive letter (C) that you need to be scanned and repaired.
The disk check is only used to identify damaged files. You must specify the parameters before the utility can perform the necessary repairs.
At the command prompt type one of the letters s following ” / f / r / x “.

Note that the letter “f” indicates that the utility should correct errors, the letter “r” indicates that it should identify any bad sectors on the disk, and the letter “x” indicates that the drive should be removed before the start of the scan.

The dismantling of the disk is required because the utility does not work if the drive is connected.

Press ” Enter ” to start the scan, do not restart your computer until you have finished backing up programs/applications or installing to check if the error 0x8007045d is resolved or not.

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This method is applicable when you are trying to create a backup to an external storage medium. As long as the external storage device is in good condition.

Click on ” Start ” after select Control Panel “.
Click on ” System and Security ” in the control panel.
Click on ” Create and format hard drive partitions “.
Right-click on the drive to compress, in the ” Disk management ” window.
Click on ” Reduce volume “.

Follow the on-screen instructions that appear exactly before restarting your computer.
Try backing up the files to see if the error 0x8007045d still occurs.


You can start your computer in safe mode to back up your files.
Note that a few rare programs and applications run in the background in safe mode, which reduces the possibility of conflicts.

Click ” Start ” in the Search programs and files box.
Type ” msconfig ” and hit Enter
Then click on the ” Start ” tab on the system setup menu.
Switch to ” Safe Mode ” and check ” Minimal “.
Click ” OK “.
Then click on ” Restart ” to restart your computer.
Try backing up files or reinstalling the operating system to see if the problem is resolved.

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Method 6 – Repair your Windows to Fix Error 0x8007045d

Repairing the installed OS can be very effective in resolving it. It is in the event that all other procedures have failed you will try to repair your operating system. as it is used to resolve any other system file problem.

  • Start your computer.
  • Insert the original operating system installation CD in the appropriate drive.
  • Press the F2 key or the key corresponding to the installed version of your Windows operating system.
  • Configure the computer to automatically boot from the CD installation media. “.
  • Save the configuration before restarting the computer.
  • Press a key on your keyboard.
  • Click on ” Next ” before clicking on ” Repair your computer
  • Follow the given instructions on your screen.
  • Restart your computer and try backing up files or reinstalling the operating system to see if the error is resolved or not.

Method 7 – System Restore

You should remember to restore your computer to an earlier date. This option can be useful if you have downloaded and installed a program or application that may have interfered with registry files.

The following procedure applies specifically to the Windows 8 operating system but should give you an idea of ​​what to do with any other operating system.

  1. Press the Win + Q key ( 1 )
  2. Click on “ Settings ”.
  3. Choose the “ Recovery ” icon .
    4 Now select “System Restore ” in this window
    5 . Choose an earlier date when your computer operated without problems.
    6 . The tool should start working before the computer is restarted .
  4. Try backing up the files or reinstalling the operating system to see if the error 0x8007045d still exists or if it is resolved.