Why is my task bar went crazy?

A few days the taskbar sometimes see this behavior: https://youtu.be/gMjbvl0W_BY
What can be the reason?
April 4th 20 at 12:57
2 answers
April 4th 20 at 12:59
Refrenul Windu and the problem went away
April 4th 20 at 13:01
1. In the event log anything?
2. The driver on video update tried?
3. Update on Windows all stand?
4. In safe mode as well?
5. While in clean boot mode?
6. On viruses checked?

In General, in the future, when asking a question, specify the maximum useful information: version of OS installed; what I tried doing and the results of actions; assumptions, why this can happen (installing any SOFTWARE, failure of email. power, etc.).

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