linkinfo.dll Help

What is a DLL?

Dynamic Link Libraries (DLL) are files that contain computer code and resources that can be used by several programs at the same time. This helps reduce memory usage and increases system efficiency. DLL files give program developers the ability to reuse code to add features to several programs without the need to write new code for each program.

Many programs require valid DLL files to function properly so when they are corrupted or missing it causes program crashes and poor system performance.

What is linkinfo.dll?

Linkinfo.dll is the Windows Volume Tracking Driver that uniquely identifies disks and it’s volumes ensuring that the correct disk is in the drive when data is written to a file. If linkinfo.dll detects an invalid write operation it will display a text-mode blue screen instructing the user to either insert the original disk or to cancel the invalid write operation. The reason for the blue screen warning is to inform users that an error has been made that could lead to a loss of data.

When a disk is inserted for the first time linkinfo.dll writes a volume tracking serial number in the OEM ID (Original Equipment Manufacturer Identification) field which is strored in the boot sector of the disk which will identify that specific disk until Windows is restarted. The serial number that is added is not the same one that is created when the disk is first formatted and is only used by the linkinfo.dll file.

There are times when the linkinfo.dll file cannot overwrite the OEM ID for example a write-protected disk which physically prevents the DLL from overwriting the OEM ID. There are programs such as backups that rely on the OEM ID field to see if the disk contains valid data so if a utility program stores a name in the OEM ID field and linkinfo.dll overwrites this information the disk becomes useless.

While the linkinfo.dll file can not be disabled it can be forbidden to modify the OEM ID field in specific types of disks. When linkinfo.dll is prevented from overwriting the OEM ID on a disk it will store the disk’s volume serial number and label in memory to identify the disk.

Recommended fix if you are receiving linkinfo.dll error messages:

When a dll file is damaged or missing it causes error messages and program crashes. In order to fix these problems the missing or corrupted file must be replaced with a working version of the file.

Linkinfo.dll is created by:

Microsoft Corporation

Known file path:

C:\Windows\System32\linkinfo.dll

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