AVG changed all my pdf files

Hello Susan.
Did you install AVG Secure Browser on your PC? Please change the default program to open PDF files as suggested in this link.
If you would like to uninstall AVG Secure Browser, click this link for instructions. 
Sorry for any inconvenience caused. 

help!   all o my PDF files were converted to AVG HTML.  I DID right click on AVG HTML file > properties > change > select Adobe PDF reader.  OK,  BUT  description still reads AVG…
IF I UNinstall AVG.  CAN I   convert files back to PDF format?
should I delete AVG  first?  or after I convert them back?

thanks!

Hello Susan.
Did you install AVG Secure Browser on your PC? Please change the default program to open PDF files as suggested in this link.
If you would like to uninstall AVG Secure Browser, click this link for instructions. 
Sorry for any inconvenience caused.