Using the “Reset this PC” feature, also called “Push Button Reset” or PBR, might fail. There’s a second bug in the patches, identified separately in the Windows Release Information status page: HP owners with Secure Boot enabled (more about that later) reported that their PCs wouldn’t reboot normally and, when forced, the HP BIOS said it detected an unauthorized change to the secure boot keys and had to restore. The patch wreaked havoc on many PCs, most notably HP PCs with Ryzen processors. But the Win8.1/1507 patch had the same bugs and met the same fate as its more illustrious co-conspirator, KB 4524244. That buggy patch was accompanied by a parallel patch for older versions of Windows, KB 4502496, called “Security update for Windows 10, version 1507, Windows 8.1, RT 8.1, Server 2012 R2, and Server 2012: February 11, 2020.” This time the name was correct. Win10 version 1909 wasn’t mentioned in the KB article, but the 1909 patch appeared in the Microsoft Catalog. The Knowledge Base article title was clearly wrong.From the KB article:Īddresses an issue in which a third-party Unified Extensible Firmware Interface (UEFI) boot manager might expose UEFI-enabled computers to a security vulnerability. It appeared to be directed at one wayward UEFI boot manager.They’re almost invariably rolled into cumulative updates. We don’t get standalone security patches anymore. Set common=root=/dev/ram0 real_root=/dev/loop0 loop=%SQUASH% cdroot_marker=%SQUASH% initrd udev cdroot scandelay=2 If not exist /rescue/livecd.squashfs echo No squashfs & pause & configfile /menu.lst Right-Click on the Desktop, Applications - Settings - Session and Startup - General - Automatically save session on logout.įor the BitDefenderRescueCD_v2.0.0_5_10_2010.isoĮxtract the \boot and \rescue folders to the root of the USB drive and use this menu If you want the updates to be persistent, create an Ext2 filesystem using the RMPrepUSB 'Create Ext2 FS' button called \casper-rw.ĭon't forget to enable the save session option in Bitdefender. When BitDefender boots it will start to download the latest updates automatically. Note: Emulators or virtual machines may not work but a real system should work. Restart your computer and boot from the USB drive to test it. You should now have just three files on your USB drive - menu.lst, grldr and the iso file.Ħ. Kernel /casper/vmlinuz boot=casper persistent noprompt iso-scan/filename=/bitdefender-rescue-cd.iso vga=ask Title BitDefender Rescue CD 2010 (select vga mode)\nSelect if the previous option displays a black screen and no GUI Kernel /casper/vmlinuz boot=casper persistent noprompt iso-scan/filename=/bitdefender-rescue-cd.iso Use Notepad to create a menu.lst file on the USB drive as below Copy over the ISO file you downloaded in step 1 to the USB driveĥ. Now click on Install grub4dos and answer No to use MBR question and OK to copy of grldr fileĤ. Insert your USB stick (1GB or larger) into your Windows PC and run RMPrepUSBģ. Download BitDefender Rescue CD ISO file (bitdefender-rescue-cd.iso) from here (388MB) - this was the one I tested (388,820Kb 18th Jan 2012).Ī new (2012) version which was modified to fix a licence expiration issue can be found here. It only works with 2012 or previous versions of the ISO.ġ. This tutorial was inspired by Jamal's tutorial at BitDefender booted directly from a USB pen using the QEMU button in RMPrepUSB
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