This video teaches U how to fix BAD_POOL_HEADER error on your Windows 8/7.
Step 1: restart your PC and check.
Step 2: run chkdsk on all partitions > run SFC /SCANNOW; run Driver Verifier: start->verifier.exe->OK->Create standard settings- >Next->select driver names from a list->Next->sort by Provider->select all non-Microsoft drivers->Finish, and OK your way out of the dialog >> reboot. If this step does not work, boot into Safe Mode and run driver verifier, and tell it to delete the changes. Step 3: perform a clean boot > restart > check. And/or... Do a device device clean boot: 1. Click "Start", type "DEVMGMT.MSC" in the Search textbox and press Enter. 2. Expand "Sound, video and game controllers". 3. Right click on your Sound Card, select "Properties" 4. Click "Driver" tab, click Disable (Disable the selected device). Click OK 5. Please use the same method to disable other hardware such as: Modem, network card, CD-R drive. Please note some devices such as video adapter are not available to be disabled. 6. Please restart the computer. Step 4: test memory with Windows Memory Diagnostic: mdsched.exe Step 5: Updating the major drivers and BIOS would be the best plan of attack. If needed also try uninstalling your antivirus/security as a test. See technet.microsoft.com/en-us/library/ff700221.aspx for more info. Step 6: refresh your Windows: support.microsoft.com/en-us/help/17085/windows-8-restore-refresh-reset-pc Step 7: reinstall your Windows