Fix 0xc0000242 Boot BCD error on Windows
0Here's how to Fix 0xc0000242 Boot BCD error on Windows.
Sure, here are some steps you can try to fix 0xc0000242 Boot BCD error on Windows:
1. **Restart your computer.** Sometimes, a simple restart can fix the problem.
2. **Run the System File Checker tool.** The System File Checker tool can help you identify and fix corrupted system files. To run the tool, open an elevated Command Prompt and type the following command:
```
sfc /scannow
```
3. **Rebuild the BCD.** The BCD is a database that contains information about your Windows installation. If the BCD is corrupted, it can cause the 0xc0000242 error. To rebuild the BCD, open an elevated Command Prompt and type the following command:
```
bootrec /rebuildbcd
```
4. **Use the Startup Repair tool.** The Startup Repair tool can help you fix startup problems. To use the tool, insert your Windows installation disc or USB drive and restart your computer. When you see the Windows logo, press a key to enter the boot menu. Select **Troubleshoot** - **Advanced options** - **Startup Repair**.
5. **Reinstall Windows.** If you have tried all of the above steps and you are still getting the 0xc0000242 error, you may need to reinstall Windows. Before you reinstall Windows, make sure to back up your important files.
i. The BCD is a database that contains information about your Windows installation. If the BCD is corrupted, it can cause your computer to fail to boot. There are a few things you can do to fix a BCD error:
1. **Restart your computer.** Sometimes, a simple restart can fix the problem.
2. **Run the System File Checker tool.** The System File Checker tool can help you identify and fix corrupted system files. To run the tool, open an elevated Command Prompt and type the following command:
```
sfc /scannow
```
3. **Rebuild the BCD.** To rebuild the BCD, open an elevated Command Prompt and type the following command:
```
bootrec /rebuildbcd
```
4. **Use the Startup Repair tool.** The Startup Repair tool can help you fix startup problems. To use the tool, insert your Windows installation disc or USB drive and restart your computer. When you see the Windows logo, press a key to enter the boot menu. Select **Troubleshoot** - **Advanced options** - **Startup Repair**.
5. **Reinstall Windows.** If you have tried all of the above steps and you are still getting the BCD error, you may need to reinstall Windows. Before you reinstall Windows, make sure to back up your important files.
ii. Here are the steps on how to fix boot BCD without CD:
1. **Download the Windows 10 ISO file.** You can download the Windows 10 ISO file from the Microsoft website.
2. **Create a bootable USB drive.** You can use a tool like Rufus to create a bootable USB drive from the Windows 10 ISO file.
3. **Restart your computer and boot from the USB drive.** When you see the Windows logo, press a key to enter the boot menu. Select **Try Windows 10**.
4. **Open Command Prompt.** Press `Windows`+`X` and select **Command Prompt (Admin)**.
5. **Rebuild the BCD.** Type the following command and press `Enter`:
```
bootrec /rebuildbcd
```
6. **Restart your computer.** Your computer should now boot normally.
If you are still having trouble fixing the boot BCD error, you may need to reinstall Windows. Before you reinstall Windows, make sure to back up your important files.
iii. There are a few ways to fix a corrupt boot file in Windows 10.
**Method 1: Use the Startup Repair tool**
1. Insert your Windows 10 installation disc or USB drive and restart your computer.
2. When you see the Windows logo, press a key to enter the boot menu.
3. Select **Troubleshoot** - **Advanced options** - **Startup Repair**.
4. Follow the on-screen instructions to repair your computer.
**Method 2: Use the System File Checker tool**
1. Open an elevated Command Prompt.
2. Type the following command and press `Enter`:
```
sfc /scannow
```
3. The System File Checker tool will scan your computer for corrupt system files and replace them with the correct versions.
**Method 3: Rebuild the BCD**
1. Open an elevated Command Prompt.
2. Type the following command and press `Enter`:
```
bootrec /rebuildbcd
```
3. This will rebuild the Boot Configuration Data (BCD), which is a file that contains information about your Windows installation.
**Method 4: Reinstall Windows**
If you have tried all of the above methods and you are still having trouble fixing the corrupt boot file, you may need to reinstall Windows. Before you reinstall Windows, make sure to back up your important files.