A lot of issues with DJVU file formats and the majority of the other files are registry issues. Repairing the PC registry most likely will correct most of your errors with DJVU files.
DJVU Problems? How would you like to proceed DJVU files?
Scan Only DJVU files:
Free DJVU Scan
Repair Only DJVU files:
Repair and Scan:
DJVU Repair and Scan
DJVU File Openers
DJVU files have at least 1 methods(s) open/repair. The DJVU applications which fix or use DJVU file format include: DjVu File
Fix DJVU Errors Correct DJVU Issues Scan for DJVU Problems