Error code 643

I am trying to install the update of security for the Microsoft.NET Framework 1.1 SP1 on Windows Vista (13.7 MB)

I get an error code 643.

I followed all the methods listed in Windows Support and this update continues to not settle.

Does anyone know how can I fix?

Hi cnrtile5,

1. are you able to install some other updates on the computer?

2. did you of recent changes on the computer?

3. do you have security software installed on the computer?

See the below Microsoft article and try the steps mentioned, check if it helps.

When you try to install an update for .NET Framework 1.0, 1.1, 2.0, 3.0 or 3.5, you may receive Windows Update '0 x 643' error code or error code Windows install "1603".

http://support.Microsoft.com/kb/923100

You receive error code 80070643 0 x or 0 x 643, code error when you use the Windows Update or Microsoft Update Web sites to install updates

http://support.Microsoft.com/kb/958052

I hope this helps!

Halima S - Microsoft technical support.

Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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