Some members have success by increasing the size of the System Reserve partition (I have been recommending 450 MB). I have MBR initialized disks and have only had an issue once (10.0.041???) but was able to clean up the part and boot again. Another member noted that there was a new 450 MB partition (they probably have a GPT initialized disk) created to the right of other parts during a recent install (10.0.130???)
Originally Posted by Jools
It seems as though MS is working through this issue, but MBR initialized disks present a hurdle, especially when the OEM uses all four available partitions.
Anyway ... I bit the bullet and shrunk the Boot part (normally C:\) by 350 MB, slid the Boot part to the right, and grew System to 450 MB (original 100 MB + space freed up by shrinking C:) Minitoll PW made this a simple task.
If you are familiar with disk schemas and tools, you should be able to figure it out. Minitool PW has some excellent videos and documentation.
If you aren't sure how to do tasks such as these, it is not a good idea to experiment. One member I helped decided to see what PW could do and wiped all of the data from the 2nd drive. In their case, the data was not precious, so no harm, no foul.