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0x81000037, 0x80070001, and 0x80070003 are errors that occur when Windows encounters a “reparse point” within a folder you’re trying to back up. In essence, a reparse point is similar to a symbolic link in Linux, allowing you to link a folder to a different location on your hard drive without physically moving the folder.
The reason these errors occur is because when Windows attempts to back up the folder, it cannot find the file that’s linked inside it. This causes Windows to mistakenly think that the file doesn’t exist, is inaccessible, or corrupted. The error messages you may see are as follows:
– 0x81000037: Windows Backup failed while trying to read from the shadow copy on one of the volumes being backed up.
– 0x80070001: Invalid Function.
– 0x80070003.
To fix these errors, you need to remove any reparse points within the folders you’re trying to back up. Here are the steps to resolve the issue:
1. Remove any “mounted volumes” or “reparse points”:
– Press the “Windows” + “R” keys on your keyboard to open the “Run” dialogue.
– Type “cmd” into the dialogue and press “Enter” to open the command prompt.
– In the command prompt, type “DIR /AL /S” and press “Enter” to display a list of directories classified as reparse points.
– Identify the corrupted folders causing the backup issue and browse to them in File Explorer.
– Right-click on the volume and check if it says “Mounted Volume”. If it does, delete it by holding SHIFT and pressing DELETE.
– Restart your computer and test the backup process again.
2. Ensure proper permissions:
– Go to the folders you’re trying to back up or restore.
– Right-click on the folder and select “Properties”.
– In the “properties” dialogue, select “Security”.
– Click on “Edit” and type “Everyone” in the box. Click “Check Names” and then “OK”.
– Select “Everyone” and click “Allow” for “Full Control” in the bottom panel.
– Click “OK” and try the backup or restore process again.
– Repeat this process for any other folders you’re trying to back up.
3. Clean out viruses/malware:
– Download and install MalwareBytes (free) onto your PC.
– Run a full scan with MalwareBytes to detect and remove any malware threats.
– Restart your system and check if the backup issue persists.
4. Run troubleshooter tools:
– Click on the “Start” button and select the “Settings” icon.
– Go to “Update & Security” and select “Troubleshoot” from the left menu.
– Choose the relevant troubleshooter option for the task you’re trying to perform.
– Let the troubleshooter run and clean out any issues it finds.
– Restart your PC and see if the backup process works.
5. Run SFC/DISM:
– Press the “Windows” + “S” keys on your keyboard and type “CMD”.
– Right-click on the top result and select “Run as Administrator” to open the command prompt.
– In the command prompt, type “SFC /scannow” and press “Enter” to run the System File Checker.
– After the SFC completes, type “DISM /Online /Cleanup-Image /RestoreHealth” and press “Enter” to run the Deployment Image Servicing and Management tool.
– Restart your system and check if the errors persist.
If none of the above steps resolve the issue, it may indicate a specific problem with your system. In such cases, it’s recommended to seek assistance from someone with expertise in your particular Windows system. Services like SuperUser and Microsoft Answers can provide further guidance and support.
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