For any Achievement hunter games
step 1 ) delete App Data
C....Users....<your pc name> App Data......Localflow...Gay&Les games.....Achievement hunter chef
if you cannot find appdata type: %appdata% Then click backwards up

Step 2) Right click on windows sign
run type: regedit...H_Key_current user...Gay&Les games.....achievement hunter chef

Step 3) Verify integrity games before you launch

Note: timer sets to zero when you delete the save file. Therefore, you have to wait an hour or two for the new achievements to come