gfry
I've tried running your instructions, but fail at step 6. I'm running ubuntu 13.04, 64bit and I'm trying to install version 2.6.3. I've added prefix32 as you suggest, but no success.
Following is output on terminal :
david@Neewdesktop:~/prefix32$ bash winetricks dotnet30sp1
Executing w_do_call dotnet30sp1
Executing load_dotnet30sp1
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dotnet30sp1 does not yet fully work or install on wine. Caveat emptor.
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Executing w_do_call dotnet30
Executing load_dotnet30
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If install fails, set /proc/sys/kernel/yama/ptrace_scope to 0. See
http://bugs.winehq.org/show_bug.cgi?id=30410------------------------------------------------------
Executing w_do_call dotnet20
Executing load_dotnet20
Executing w_do_call remove_mono
Executing load_remove_mono
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Mono does not appear to be installed.
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Executing w_do_call fontfix
Executing load_fontfix
Setting Windows version to win2k
Executing winetricks_early_wine regedit C:\windows\Temp\_dotnet20\set-winver.reg
Current wine does not have wine bug 10467, so not applying workaround
Current wine does not have wine bug 30845, so not applying workaround
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Working around wine bug 30845 -- Using native fusion while installing...
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Executing env WINEDLLOVERRIDES=mscoree,fusion=n wine dotnetfx.exe
fixme:advapi

ecryptFileA "C:\\users\\david\\Temp\\IXP000.TMP\\" 00000000
fixme:advapi:LsaOpenPolicy ((null),0x33f2f0,0x00000001,0x33f28c) stub
fixme:advapi:LsaClose (0xcafe) stub
fixme:storage:create_storagefile Storage share mode not implemented.
err:msi:msi_load_all_components can't initialize assembly caches
err:msi:msi_load_all_components can't initialize assembly caches
fixme:msi:MsiGetLastErrorRecord
err:msi:ITERATE_Actions Execution halted, action L"SxsInstallCA" returned 1603
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Note: command 'env WINEDLLOVERRIDES=mscoree,fusion=n wine dotnetfx.exe' returned status 67. Aborting.
Grateful for any suggestions.