Some Windows Phone 8 users have been experiencing spontaneous reboots and email sync problems with their phones. Microsoft has said it will investigate the issue.

The Windows Phone 8, which Microsoft Corporation (NASDAQ:MSFT) only released a matter of weeks ago, has already begun to run into issues. Some early adopters of the new devices have taken to online forums to bemoan the problems plaguing their new devices, although not all Windows phone 8 are affected.

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Two devices, the Nokia Lumia 920 and the HTC Corp (TPE:2498) Windows Phone X8, have both been suffering from random reboots. Other users have complained about problems with the battery life of the two smartphones. One user said on the Nokia Corporation (NYSE:NOK) forums: “I purchased my phone in-store yesterday morning. Around 11am yesterday after only two hours of use, the phone froze up and I had to perform a hard reset.”

A similarly disappointed HTC 8X user wrote: “It was fine for a few days then a couple of reboots within a couple of hours. All was ok again until yesterday when I got 2 reboots within about 5 hours of each other. I wasn’t doing anything on the phone at the time. I just felt it vibrate and I had the HTC Corp (TPE:2498) logo on the screen.”

Devices on various carriers are also reported to be suffering from issues with syncing emails, causing social media apps such as Twitter and LinkedIn to stay in a constant state of sync without completing an update, and also causing email apps to crash. Problems have ranged from a single reboot, to multiple freezes within a matter of hours.

Microsoft executives gave an official statement that they “are currently investigating reports of these incidents,” but forum users may have beaten them to it, offering their own solutions. Some users have suggested that uninstalling the Skype for Windows 8 preview app, which Microsoft Corporation (NASDAQ:MSFT) released last week, may offer a fix to the rebooting issue at least. However, some users were complaining of the issue before the Skype app went live.

Other suggestions on the forums have also included rebooting the phones, removing the Skype app, or in the case of a Nokia Corporation (NYSE:NOK) phone; booting the phone without a SIM for 10 minutes, and then booting again with the SIM in the phone – which reportedly worked for one user.

Although this mistake is embarrassing for Microsoft Corporation (NASDAQ:MSFT), if they can fix it quickly, then their product still has a good chance of making an impact on the market. The stakes are even higher for Nokia Corporation (NYSE:NOK), though, as many have said the Lumia is the last chance to revive the ailing company.