Windows Update is causing an Error

When Windows Update gives you the error 800004005 it means that some files are corrupted. We help you through fixing this.

Resolving the most common Errors

In most cases the downloaded data is just corrupted and removing this data can help making Windows update again.

1. Open Elevated Command Prompt by following one of two methods:
   1. Press the Windows + X at the same time, then choose Command Prompt (admin)
   2. Press the Windows + W key at the same time and then type ” cmd ” right-click
      Command Prompt and choose Run as Administrator
2. Enter the following command: “net stop wuauserv” and hit enter.
3. Enter the following command: “net stop cryptSvc” and hit enter.
4. Enter the following command: “net stop bits” and hit enter.
5. Enter the following command: “net stop msiserver” and hit enter.
6. Enter the following command: “ren C:\Windows\SoftwareDistribution SoftwareDistribution.old” and hit enter.
7. Enter the following command: “ren C:\Windows\System32\catroot2 catroot2.old” and hit enter.
8. Enter the following command: “net start wuauserv” and hit enter.
9. Enter the following command: “net start cryptSvc” and hit enter.
10. Enter the following command: “net start bits” and hit enter.
11. Enter the following command: “net start msiserver” and hit enter.
12. Reboot your system.