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HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.avi\OpenWithList (1) HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.avi\OpenWithList HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.avi\OpenWithProgids (2) HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\FileExts\.avi\OpenWithProgids HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.avi\OpenWithList\wmplayer.exe (3) HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.avi\OpenWithList\wmplayer.exe HKEY_CLASSES_ROOT\.avi\OpenWithList\wmplayer.exe (4) HKEY_CLASSES_ROOT\.avi\OpenWithList\wmplayer.exe HKEY_CLASSES_ROOT\.avi\OpenWithProgIds (5) HKEY_CLASSES_ROOT\.avi\OpenWithProgIds HKEY_CLASSES_ROOT\SystemFileAssociations\video\OpenWithList\wmplayer.exe (6) HKEY_CLASSES_ROOT\SystemFileAssociations\video\OpenWithList\wmplayer.exeRemove mplayer.exe from either (1) or (2) if present. It may be in (2) only. Item (3) you do not have to remove, it will be removed by the system. Remove (4) and (6). Now Windows Media Player (mplayer.exe) will not appear in the right click Open With shell menu.<nowiki>* May Require Reboot ** This is untested.</nowiki> == FILE NAME NOT VISIBLE IN THUMBNAIL VIEW =={{:File Name Not Visible in Thumbnail View}}== DATE AND TIME WONT SYNCHRONIZE ==The Microsoft time server has been known to go down. Also, when your computer time is too far off, it will not synchronize.Issue #1: Forcing the time server to change and synchronize when it fails to do so though the GUI interface. Issue the following commands. The unregister command has to be issued twice. The first time it will return an error. Ignore the error and issue the command again. net stop w32time w32tm /unregister w32tm /unregister w32tm /register reg add hklm\system\currentcontrolset\services\w32time\parameters\ /v NtpServer /t reg_sz /d time.nist.gov /f net start w32timeYou have forced the time server to be changed from the Microsoft one to the the gov time server with the new value registered and service activated.Issue #2: Time and Date off by too much to synchronize. You will observe the following error: An error occurred while Windows was synchronizing with time.windows.com. For security reasons, Windows can not synchronize with the server because your date does not match. Please fix the date and try again.You have to manually set the time and date close, same day, and time close within minutes. This is prevented due to the belief that it will interfere with the operation of kerberos and possibly other applications sensitive to time and date, mostly though to prevent malicious software from changing your computer time and date without your awareness. Manually set it close, then let sync keep it accurate for you with regular sync operations. The change of official Daylight Savings Time is also a culprit to related issues.To determine the date and time for manual set consider using http://www.time.gov/ie/ with your web browser.== PHANTOM FLOPPY DRIVE ==On a system where no floppy drive is attached yet a floppy drive letter appears under My Computer, you can take measure to force the drive letter to go away. Some computer motherboards assume that the system has a floppy drive installed and will display one even if there isn't. In the absence of an option to disable it in BIOS you can simply disable the Windows driver. # START -> SETTINGS -> CONTROL PANEL -> SYSTEM -> click the Hardware tab, click the Device Manager button# Expand the devices tree, locate "Floppy disk controllers" and right click on "Standard floppy disk controller."# Choose "disable"[[File:device-manager-disable-floppy.png]]After right-clicking your drive in Device Manager and choosing "Disable," you'll notice the floppy drive will disappear from Windows in all other locations. If you ever need to bring the driver back, right-click the drive again and pick "Enable." You should only need to bring it back if you actually install a floppy drive.== STICKYKEYS POPUP ==Pressing the shift key repeatedly (five times or more) causes an annoying dialog box to appear that looks like this:[[Image:windowsxpstickykeys.png]]Stickykeys - Pressing the SHIFT key 5 times turns on Stickykeys. Choosing CANCEL or disabling in the settings doesn't prevent the dialog from returning next time the shift key is pressed repeatedly. This can be a problem for playing certain games or using specific software that requires repeated pressing of the shift key.[[Image:windowsxpstickykeysdisable.png]]Click "settings". Uncheck "Use Stickykeys" also click "Settings" and Uncheck "Use Shortcut." It is that second part that will prevent the dialog from appearing when you press the shift key repeatedly. == USB Device Issues: Power Saving Feature Causes Problems ==Mouse clicks sometimes aren't registered on a USB mouse, USB printer communication sometimes fails, or it seems that the USB port is sometimes unavailable, at random, even during use. This _can_ sometimes be caused by a power management feature in the USB Root Hub device driver of Windows XP, Vista, and 7. #In the Device Manager dialog box, expand Universal Serial Bus controllers.#Right-click USB Root Hub and then click Properties.#In the USB Root Hub Properties dialog box, click the Power Management tab.#Remove the check from the Allow the computer to turn off this device to save power check box. Repeat steps for each USB Root Hub.[[File:USB_Root_Hub_PowerSave.png]]The occasional mouse click not being recognized or registered on a mouse that is verified to be good can be the result of this according to what users have reported. The mouse sometimes freezing or the cursor not tracking while you move the mouse is another symptom.