Users also complain that the technology can be difficult to learn.

Many users complain that Windows operating systems cause them problems.

Users generally complained that, once treatment was over, they were left to their own devices in the community.

Users complained because they were not able to use the 3D modules.

Sometimes, users will rise up and complain (as they did at Facebook).

Some users complained that the rules are difficult to decipher.

Some users complained that longer reading sessions put too much strain on their eyes.

Also, some users complained that the light can only be dimmed though not turned off completely.

Product support in Windows 95 is limited and users have complained about crashes.

Some users complain of side effects like headaches and stomach upset.