http://www.winrarrepair.org/
In case, you are facing winrar file corruption and unable to access any data of winrar archive then you after at the right place to learn the process of recovery of data from winrar archive; This rar repair tool is capable enough to fix winrar file corruption;
3. If you are facing RAR file corruption then you need to make use of any reliable
Third party application to fix such corruption issues. “WinRAR Repair”
application is one of the efficient tool in this category to repair WinRAR
Archive.
Some String Features of the Application:
Automated RAR repair process, which fix all types of RAR files and allow to
retrieve data completely
Supports RAR repair on latest versions of Windows OS such as Windows XP,
Windows 7, Windows 8
Can repair password protected RAR Archive files
Simple User Interface to fix RAR corruption