This has been known forever, from Vista through to Windows 7.
The solution to it is simple, and was posted on mydigitallife website ages ago (do a search for "mydigitallife net 1.1").
Otherwise here is a a copy/paste to install .Net 1.1 and SP1 into Vista or Win7 (32 or 64 bit).
Install Microsoft .Net Framework 1.1 with slipstreamed/integrated Service Pack 1 by running netfx.msi created in the working folder.
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To Stop the Dot Net installation Errors Pl follow the following Instructions. It Will b helpful 4 u.
1. Go to Command Prompt by running CMD as Administrator then do the following
a. Type Net stop wuauserv
b. Goto Windows Directory Rename the software Distribution folder into software DistributionOLD
c. Restart the PC
d. Now Install dot net
After the successful Installation Run the Following
e. Net start wuauserv
Good Luck ...!
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