How to Fix the 0x800705B4 Error: Windows Vista Update Troubles

Tackling the error code 0x800705B4 in Windows Vista involves a few strategic steps:

1. Reboot your system: Often, a simple system reboot can resolve the problem.
2. Verify your internet connection: Ensure that your internet is consistent and active. If you’re on Wi-Fi, consider a wired connection by plugging directly into your router.
3. Temporarily disable antivirus software: Sometimes, antivirus programs prevent Windows Update from executing properly. Disable your antivirus briefly to see if it resolves the issue.
4. Utilize the Windows Update troubleshooter: Windows Vista includes a troubleshooter specifically for addressing Windows Update issues. Access this by navigating to Control Panel > System and Security > Troubleshoot common computer problems > Fix problems with Windows Update.
5. Reset Windows Update components: Should the troubleshooter fail to correct the problem, attempt to reset the Windows Update components. As an administrator in Command Prompt, execute the following:

    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

6. Consider a system restore: If other methods fail, a system restore to a point before the issue began might resolve it.