From some old notes -
installation fails with error code 643
Suggestion Pat Walters MSFT:
Please try the following:
Check the My_Computer_Zone has FullTrust permissions enabled:
1. Click Start
2. Click Control Panel
3. Double-click Administrative Tools
4. Click to select the latest version of the Microsoft .NET Framework
Configuration tool.
5. Drill-down to Runtime Security Policy
6. Then Machine
7. Then Code Groups
8. Then Machine
9. Code Groups
10. All_Code
11. Then Right-click on My_Computer_Zone.
12. Click the Permission Set tab
13. Verify and/or change permission set to FullTrust.
14. Reboot the machine
15. Try the installation once more and see if this works for you.
Sincerely,
Pat Walters [MSFT]
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TaurArian [MS-MVP] 2005-2008 - Australia
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"Bill Kennedy" <BillKennedy@discussions.microsoft.com> wrote in message
news:42461AFB-DE2C-447B-A09D-E4BB06D23EFD@microsoft.com...
|I think it may have to do with the fact that I can't access the updates
| folder under C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322. Please help