Here are some steps you can take to fix common partition table issues and resolve Windows installation errors:

Method 1: Boot in Safe Mode and Repair

• Restart your computer and immediately press the F8 key repeatedly while booting.

• Select “Advanced Boot Options” or “Troubleshoot” from the Advanced Boot Options menu.

• Choose “Repair Your Computer.”

• Click on “Run the System File Checker (SFC) scan.”

• Follow the prompts to scan for and fix any corrupted system files.

Method 2: Check Disk Error Codes

• Restart your computer and enter Safe Mode with Networking.

• Press F8 repeatedly while booting, then select “Troubleshoot” or “Advanced Options.”

• Choose “Error Checking” from the Advanced Options menu.

• Click on “Continue” to run the check.

Method 3: Run the System File Checker (SFC) and DISM

• Open Command Prompt as an administrator.

• Type sfc /scannow to run the System File Checker scan.

• If there are any corrupted system files, follow the prompts to repair them.

• Type dism /online /update-diskpart to run the Deployment Image Servicing and Update (DISM) tool.

• Follow the prompts to update your partition table.

Method 4: Check Disk Partitions and Repair

• Open Command Prompt as an administrator.

• Type diskpart to open the command prompt.

• List your disks by using list disk.

• If you have multiple partitions, select the correct one (usually it’s the primary partition).

• Use select disk to change the current partition to repair or create a new one.

Method 5: Reinstall Windows

• Back up all your data.

• Remove the installation media and any unnecessary drivers.

• Download and install the latest version of Windows from the Microsoft website.

• Follow the setup process to reinstall Windows.

Method 6: Use the System Recovery Tools (Windows 10/8/7)

• Go to Settings > Update & Security > Recovery.

• Click “Get started” under Troubleshoot.

• Select “Advanced options”.

• Choose “Command prompt” or “Command line”.

• Type diskpart and follow the prompts.

Method 7: Check for Windows Updates

• Go to Settings > Update & Security.

• Click “Check for updates”.

• If an update is available, install it and restart your computer.

If none of these methods resolve the issue, you may want to consider:

• Contacting Microsoft Support or a professional repair service for further assistance.

• Performing a clean boot to isolate any third-party software as potential causes.

• Reinstalling Windows on a different partition (if necessary).

Remember to always back up your important files before attempting to fix partition table issues.