I was using wad manger v1.1, and the wads that had error insalling were : IOS4-64-v65280, IOS9-64-v778, IOS10-64-v768, IOS11-64-v256, IOS12-64-v269, IOS13-64-v273, IOS14-64-v520, IOS15-64-v523, IOS16-64-v512, IOS17-64-v775, IOS20-64-v256, IOS21-64-v782, IOS22-64-v1037, IOS28-64-v1550...