To prevent applications from stealing the focus from the window you are working
1. Start Regedit
2. Go to HKEY_CURRENT_USER \ Control Panel \ Desktop
3. Edit the key ForegroundLockTimeout
4. Give it a value of 00030d40
If you want disable the Explorer's ability to show the Thumbnail View ,
Start Regedit
1. Go to HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Explorer \ Advanced \
2. Change ClassicViewState to 1
