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Hello Mitch,
Welcome to Microsoft Community Forum.
Please answer the questions asked below which will provide me more information on the issue.
- Are you able to boot the computer in normal mode?
- Do you have any third party Antivirus /Security software installed on the computer?
- Have you tried any troubleshooting steps so far?
In case you are receiving error code "An unspecified error occurred (766f6c756d652e63 3f1)", this error usually occurs in case you have any third party software which is blocking check disk. This causes check disk to fail in normal mode.
Many people have resolved this error by running Check Disk command in Safe Mode. To boot the computer in Safe Mode, try the steps provided in the link below.
Start your computer in safe mode
Once you boot the computer in Safe Mode, try the steps provided below to run Check Disk.
- Click on Start
- Type: CMD, from the results, right click CMD
Click 'Run as Administrator'
- At the Command Prompt, type: chkdsk /r /f
Important:
While performing chkdsk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost.
When you restart your system, your computer will be scanned for errors and attempts will be made to correct them.
Do let us know the status of the issue, so that we can assist you further.