As tablets and smartphones continue to rise in popularity, sales of the humble PC have fallen.
But CEO of HP Inc, Dion Weisler, has another theory about the decline of PC sales.
In the first quarter to the end of January, HP Inc suffered a 12% drop in financial revenues to $12.2 billion (£8.76 billion) year-on-year.
According to Weisler, that drop is down to lack of demand for Windows 10.
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Speaking to investors on a conference call this week, which was transcribed by Seeking Alpha, he said: "We have not yet seen the anticipated Windows 10 stimulation of demand that we would have hoped for, and we’re carefully monitoring any sort of price developments that could further weaken demand.”
Despite his view however, he made sure to add that he believes Windows 10 is 'a tremendous operating system'.
HP Inc is the part of HP which sells PCs and printers, the other part being Hewlett-Packard Enterprise.
Sales of PCs and printers have both seen a steady decline in recent years, and a report from Gartner last month seems to back up Weisler's view of Windows 10 being part of the problem.
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The report found a lack of Windows 10 uptake at the end of 2015, which was partly responsible for a year-on-year drop of 8.3% in the PC market.
The latest financial results for HP Inc are the first since the company split in two last year.
It was expected that Windows 10 would help PC sales remain stable, but in HP's case that seems not to have been the case.