Please re-download Ext2Fsd 0.50 package and re-install. Or update Ext2Fsd.sys manually from latest 0.50 package. Download link: http://sourceforge.net/projects/ext2fsd/files/Ext2fsd/0.50/ New packages checksums: 7c3942309ce986ac25b5ed648469399ab8a0fb6c *Ext2Fsd-0.50.7z 3dec201bd59aa516545e760e5c8a584bceab582d *Ext2Fsd-0.50.exe 2fb171ba41c31add4e4267a806d8596f2dfef4be *Ext2Fsd-0.50.src.7z e0f465bf2237e0d846534736ec2305a74636f2bd *Ext2Fsd-0.50.src.zip c13d95770818062887c2ddf2669433fc6a888bf2 *Ext2Fsd-0.50.zip Changelog: One dead-lock hang bug fixed: when copying big files (> 4G), explorer would hang. This bug was introduced by fix #17 of version 0.50: fastio … Continue reading Ext2Fsd 0.50 was repacked !