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File Version :
Description : Apple Broadcom Bluetooth
Copyright : Copyright 2006-2009 Apple Inc. All Rights Reserved.
Product Version : 3.0
Product Name : Boot Camp
Company Name : Apple Inc.
Internal Name : AppleBtBc.sys
File Size: 16512 byte(s) 16.128 KB
MD5 : 9956161425c7f4975e715c1dff5b6445
SHA1: 31C9C9BC12B2ED1FD91B55395BDD0C7C2509CBA3

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How to Install APOINTNT.SYS
Repair Sys ProblemsFixing a corrupted or missing APOINTNT.SYS error is an easy process with a few steps. Open the zip-file you downloaded.Extract the .sys file to a location on your computer. We recommend you to unzip the file to the directory of the program that is requesting the file.
If that doesn't work, you will have to extract the file to your system directory.
By default, this is C:/WINNT/system32/drivers (Windows NT/2000).
or C:/Windows/system32/drivers (Windows XP, Vista, 7).
Make sure overwrite any existing files (but make a backup copy of the original file)
That should be it. Although not necessary you can reboot your computer as well.