Anyone got any ideas on things I could try to get to the bottom of the following behaviour: We have an app that works fine running seamlessly on Win2000/MF XPa but when on Win2003/PS4 it intermittently experiences freezes of about 5 seconds during which time I can't click on anything in the seamless app window, or click away to another window on my machine. The app window is quite busy - its updated frequently with data, I was wondering if there were any tweaks or registry keys I can try which might help? We're having trouble tracking the cause down - I've tried disabling AV to no avail. Not sure if its related or not but ProcMon seems to show IMASRV reading imalhc.mdb whilst the problem occurs. The app works fine running within a desktop sesson, we only see the problem running seamlessly on PS4 Many Thanks, Steve This e-mail (including any attachments) is confidential, may contain proprietary or privileged information and is intended for the named recipient(s) only. Unintended recipients are prohibited from taking action on the basis of information in this e-mail and must delete all copies. Nomura will not accept responsibility or liability for the accuracy or completeness of, or the presence of any virus or disabling code in, this e-mail. If verification is sought please request a hard copy. Any reference to the terms of executed transactions should be treated as preliminary only and subject to formal written confirmation by Nomura. Nomura reserves the right to monitor e-mail communications through its networks (in accordance with applicable laws). No confidentiality or privilege is waived or lost by Nomura by any mistransmission of this e-mail. Any reference to "Nomura" is a reference to any entity in the Nomura Holdings, Inc. group. Please read our Electronic Communications Legal Notice which forms part of this e-mail: http://www.Nomura.com/email_disclaimer.htm