A: 4K â also known as UHD (more on this in the next answer!) â is a picture technology that quadruples the number of pixels found in a full HD picture. These pixels are usually arranged in a 3,840 x 2,160 configuration, compared with the 1920x1080 you get in a full HD TV.
A file with the 7Z file extension is a 7-Zip Compressed file. Other types of files may also use the 7Z file extension. If you know of any additional file formats that use the .7Z extension, please let me know so I can update this information.
There is a chance that your 7z.exe error could be related to a malware infection on your PC. These malicious intruders can damage, corrupt, or even delete EXE-related files. Furthermore, there's a possibility that the 7z.exe error you are experiencing is related to a component of the malicious program itself.