Last night/today. From brand spanking clean reformat/install of Win7x64 Ultimate:
1. Launched Windows Update
Updated .NET Framework 3.5 SP1 (KB982526)
Updated .NET Framework 3.5 SP1 Security Update (KB979916)
Updated .NET Framework 4 Client Profile (KB982670) -reboot-
Updated Ethernet driver
2. Installed nVidia driver 257.21 (win7) -reboot-
========
PRE-LOAD
========
3. Installed .NET 1.1 -- dotnetfx1.1
Popup --
Error: "This program has known compatibility issues" - ignored. Clicked "Run Program"
4. Installed .NET 1.1 SP1 -- NDP1.1sp1 (KB867460) - Compatibility error - ignored. Run Program. -reboot-
4.1 Upon re-entry into Windows, UAC popped up a permissions request for netfxupdate.exe, hit OK
5. Install of .NET 2.0 (x64) -- NetFx64
Popup --
"Error: Product already installed"
"This product is already installed as part of the operating system."
5.1 clicked "Exit"
6. Installed .NET 3.5 (because I'm following instructions here

)
Popup --
"

ou must use "Turn Windows features on or off" in the Control Panel to install or configure Microsoft .NET Framework 3.5"
6.1 Clicked "Ok"
7. Install .NET 3.5 SP1 (see above)
Popup --
See above
7.1 See above
8. Installed MSXML 3.0
9. Installed MSXML 4.0 SP3 into default directory C:\Program Files (x86)\MSXML 4.0
10. Extracted VB6 runtime into C:\VBtemp
10.1 Ran vbrun60sp6
Popup -- "This program might not have installed correctly"
Files already extracted, so hit "Cancel" (only option)
========
AC/Decal
========
11. Installed ac1install to C:\Games\Turbine\Asheron's Call
12. Installed DAT files from ac_data.zip into same location as above
13. Launched AC - allowed firewall access, watched 1.4MB update trickle by.
13.1 Watched the pretty blue bar for a minute, then came to my senses and popped outside for a smoke.
13.2 Came back, logged in, looked good.
14. Extracted directx_feb2010_redist into C:\DXtemp
14.1 Installed DXsetup from above directory
15. Installed Decal
15.1 Custom Setup > Enabled Quick Launch Shortcut > C:\Games\Decal 3.0
15.2 Pointed Decal to AC directory
16. Found Decal running in system tray, right clicked, closed.
16.1 Right clicked on Decal desktop icon, set to "Run As Administrator", clicked "Apply"
16.2 Launched Decal, prompted AC directory again, pointed. Prompted for XML files, clicked "OK"
16.3 Clicked "Update", waited for black checks, all good except for red X on "Version 1 plugin surrogate".
17. Launched AC. Logged in. Decal bar good. Closed AC.
====
ACDC
====
18. Installed ACDC into C:\Games\AC Dual Client
19. Ran ACDC
19.1 "

ou currently have Process Performance Counters Disabled" - clicked "

es" to enable
19.2 Basic setup - pointed path to AC, 3 clients, Copy Files Now? - Yes. Added accounts.
20. Logged into Account 1. Got in game. Switched off full screen to Windowed mode.
20.1 Logged into Account 2. Firewall asked for permission to allow launch from Asheron's Call\2\ directory.
20.1.1 Went AMG*@(!*&^$
20.1.2 Allowed Access
20.1.3 Popup - Game Error - There is a client already running on this machine.
20.1.4 Went *THUNK*
20.1.5 Closed down AC/ACDC/Decal
21. Set ACDC to Run as Administrator, launched without Decal
20.1 Again - "

ou currently have Process Performance Counters Disabled" - clicked "

es" to enable
20.2 Popup - "Filter Not Found... You currently do not have the ACDualClient Core Filter installed properly.
In order to use the Filter path detection (and possibly the Hook) you must have it installed correctly.
Please re-install ACDualClient to install the ACDualClient Core Filter properly."
20.3 Ignored - first client logged in, second client - Game Error - There is a client already running...
20.3 Set ACDC to Run XP sp2 combatibility - Filter Not Found, OK, first client good, second, same error.
20.4 Went into main and \2 AC directories, set both ACDCClient.exe files to run Admin/XP sp2 - no change
22. Copied perfstringbackup.ini file from other Win7 machine to C:\WINDOWS\System32
22.1 Launched cmd as Admin, did lodctr /r

erfstringbackup.ini in above directory.
22.2 Launched AC - no change
23. Set aclauncher and acclient.exe in both main and \2 directory to run as Admin/sp2 - no change
24. Set all to Vista sp2 compatibility - no change
25. Shut off UAC - Filter error disappeared - otherwise, no change
26. Opened Decal export - Network Filters, 0, ACDC Core Filter, 7.2.2.0, {2DB1B641-4039-4D69-831A-79915EC266CE}
26.1 Checked Core box. Updated. It unchecked. Checked. Export. Same. Hit update 4 times. That worked.
26.2 Launched ACDC, Filter error back (yay!) - exported Decal, 0 ACDC Core Filter.
26.3 Opened export - looked further down, acclient.exe listed as launcher.
27. Bed.
28. Woke up, brushed teeth.
29. Loaded up Decal, did a "remove" on ACDC Core Filter
29.1 Error message, "There is no uninstaller defined for this object. You will have to uninstall it manually". OK.
29.2 Closed Decal, reloaded to verify it was gone. Closed again.
29.3 Installed ACDC with 2 clients.
29.4 Changed to Admin/Xp sp2 - same Filter message. No change.
29.5 Launched Decal - Core Filter unchecked. Checked it. Closed it. Lauched again, checked it.
29.6 Lauched ACDC - Filter error. Opened Decal config. Unchecked. acclient.exe still listed as launcher.
29.7 Checked Core Filter. Opened export. ACDCClient.exe now listed.
29.8 Launch, no change.
30. Uninstalled ACDC. Manually deleted ACDCClient.exe files from main, deleted 2\ and 3\ folders.
30.1 Checked Decal export - still showing ACDCClient.exe as launcher. Updated. Same.
30.2 Launched AC with Decal just to test - Game Client Not Found.
30.3 Launched AC without Decal - Game Client Not Found.
31. Downloaded/Ran CCleaner - rebooted
31.1 Lauched AC from aclauncher in game directory - Game Client Not Found. Stared at acclient.exe.
31.2 Went out to smoke. Considered popping 4mg nicotine gum at same time.
31.3 Back. Applied meditative breathing techniques from "The Miracle of Mindfulness" by Thich Nhat Hanh.
31.4 Waited for head rush to dissipate.
32. Reinstalled ACDC just to get in game for a bit.
-----signature-----
The Fury
Rubiss/Ten-Toes/Three-Toes/Dash Cunning