http://msmvps.com/blogs/senthil/archive/2008/05/29/the-case-of-the-leaking-thread-handles.aspxThis was one of the more challenging and interesting problems to debug in a while. When testing out code for an unrelated fix, I noticed that the application&#39;s handle count, as seen in the Handles column in Task Manager, kept rising steadily. WinDbgenCommunityServer 2008.5 SP2 (Build: 40407.4157)http://msmvps.com/blogs/senthil/archive/2008/05/29/the-case-of-the-leaking-thread-handles.aspx#1658602Tue, 06 Jan 2009 03:36:03 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1658602The case of the leaking thread handles : ????????????????????? TAHETA.ORG<p>Pingback from &nbsp;The case of the leaking thread handles &nbsp;: ????????????????????? TAHETA.ORG</p><img src="http://msmvps.com/aggbug.aspx?PostID=1658602" width="1" height="1">http://msmvps.com/blogs/senthil/archive/2008/05/29/the-case-of-the-leaking-thread-handles.aspx#1635568Mon, 16 Jun 2008 09:44:51 GMTd67277c4-116b-43f1-b688-e9ef184ea916:1635568Vivek Ragunathan<p>Splendid analysis and inference. So that reminds of me of the &#39;open for my lifetime&#39; question - why cannot controls be accessed from threads that did not create them ? I guess it is related to your problem above. Let us know if you come to know.</p> <div style="clear:both;"></div><img src="http://msmvps.com/aggbug.aspx?PostID=1635568" width="1" height="1">