With less than two days to go before Windows 10 is launched, it looks like Microsoft is scrambling to iron out numerous bugs in its eagerly anticipated operating system.

Although Build 10240, released two weeks ago, was widely believed to “release to manufacturing” (RTM) build of Windows 10, Computerworld‘s Gregg Keizer reports that Microsoft has pushed out no less than four patches in the last seven days in an effort to fix a number of bugs reported by testers who’ve signed up for the Windows Insider program.

Somewhat curiously, three of the four patches seem to be identical – pushed out on consecutive days, July 23, 24 and 25, they come with exactly the same description of their contents. The updates in question are KB3074679 (July 23), KB3074680 (July 24) and KB3074681 (July 25), which apparently address problems associated with the MS15-078 vulnerability, which was supposedly ‘fixed’ with the “out-of-band” update KB3074667 that Microsoft pushed out on July 20.

Each of the three most recent updates also contain a patch for bugs in the Adobe Flash Player, which is used in Microsoft’s Edge and Internet Explorer browsers. In addition, each of the three updates contain the same phrase: “Additionally, this update includes non-security-related changes to enhance the functionality of Windows 10 through new features and improvements.”

Keizer says it’s not clear why Microsoft seems to have issued the same patch on three separate occassions, but a report in The Register suggests it could be to do with a “number of nagging bugs” that have appeared in Windows 10 that have some testers wondering just how ready the OS really is.

Rough around the edges?

One of the most common bugs found in the last week is that users have reported being unable to uninstall programs the old fashioned way – that is by going through the Control Panel. Windows 10 offers a new method to uninstall programs, via Settings > System > Apps & features, but those using the older method report that whenever they do so, Windows Explorer immediately crashes and restarts.

Users have also reported bugs in Windows Explorer whenever they try to enable or disable active network connections, The Register reports. The good news is that Microsoft has now patched these problems with yet another update on Monday, but as The Register points out, the fact they didn’t even exist until a previous set of fixes were released suggests that the company’s plan to make updates mandatory for all users could easily backfire.

Of course, it’s unlikely Microsoft will experience any major disaster so long as its Windows 10 Insider program remains popular. The company plans to keep the update track up and running, because it needs participants to help it find bugs and problems before updates are released to the general population. Hopefully that’ll be enough to catch the most glaring issues anyhow.

Microsoft is poised to release the final build of Windows 10 to its Insiders on July 29, and will begin rolling out upgrades to Windows 7 and Windows 8.1 users the day after.

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