Overview

Sometime, Windows Update fails to download or install on your computer. This article will help you to identify the reasons of the failure and troubleshoot Update failure.

Reasons

Windows updates failures occurs due to some of the following reasons.

• Corrupted system files
• Corrupted windows update components
• Partial download of updates
• Hard drive errors, etc.

Workaround

Here 4 methods are suggested to troubleshoot and fix Windows Updates as per the reasons mentioned above.

Method 1: Run SFC and DISM

Windows Update installation error may occur due to the corrupted systems files.

To resolve this issue, do the following steps:

1. Launch Command Prompt with Run as Administrator option.
2. Type command SFC /Scannow and hit enter.
3. System file check (SFC) is a built-in utility for the Operating System to check for system file corruption and repair the corrupted files.
4. Type command DISM /Online /Cleanup-Image /RestoreHealth and hit enter. DISM tool scans for corruption and repairs problem found in the operating system.
5. Execute command sfc /scannow again to verify the corrupted files.

Method 2: Repair Hard drive errors

Windows Updates installation error may occur due to the bad sectors or bad blocks in hard drives.

To resolve this issue, do the following steps:

1. Launch Command Prompt with Run as Administrator option.
2. Type command chkdsk /f C and hit enter.

Method 3: Manually Reset Windows Update Components

Windows Updates installation error may occur due to an update that is already downloaded but may be partially download or become corrupt. Windows attempt to install the Updates on top of it.

To resolve this issue, do the following steps:

1. Launch Command Prompt with Run as Administrator option.
2. Stop BITS, Cryptographic, MSI Installer and Windows Update Services. To stop, type the following commands and hit Enter.

• Net stop wuauserv
• Net stop cryptSvc
• Net stop bits
• Net stop msiserver

3. Rename SoftwareDistribution and Catroot2 folder. To rename, type the following commands and hit Enter.

• Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
• Ren C:\Windows\System32\catroot2 Catroot2.old

4. Restart BITS, Cryptographic, MSI Installer and Windows Update Services. To restart, type the following commands and hit Enter.

• Net start wuauserv
• Net start cryptSvc
• Net start bits
• Net start msiserver

Method 4: Run the Windows update troubleshooter

If you get an error code while downloading and installing Windows Updates, the Update Troubleshooter can help to resolve the problem.

1. Windows update troubleshooter prevents some common problems that prevents us while updating windows.
2. To run this troubleshooter, go Settings > Update & Security > Troubleshoot > Additional troubleshooters.
3. In section Get up and running, select Windows Update > Run the troubleshooter.

Please contact Seqrite Technical Support for more assistance.