Windows 8 and 8.1 Forums


Windows update failed and took space

  1. #11


    Posts : 562
    W10 x64 pro and W8.1 x86


    Today saw 9 optional updates. My free space went from 55.4Gb to 54.5Gb. I've since run a disk clean (including system files) and followed that by a restart and defrag followed by another restart. The disk clean took some 25 minutes in all and reclaimed only a few 10's of Mb. In other words next to nothing. This is typical behaviour of Windows Update although at some future point I expect to see a sudden jump back up in the free space allocation.

      My System SpecsSystem Spec

  2. #12


    Posts : 562
    W10 x64 pro and W8.1 x86


    0.2Gb has just returned. Its a start I suppose.
      My System SpecsSystem Spec

  3. #13


    Posts : 562
    W10 x64 pro and W8.1 x86


    And today, and true to form I am back at 55.4Gb
      My System SpecsSystem Spec

  4. #14



    BSOD Kernel Dump Analyst
    Posts : 2,274
    Windows 10 Pro


    I have just installed the 9 optional updates and made a log of the free space.
    Code:
    72.9GB start
    72.6GB before restart, installed 3 updates, 1.4MB
    72.4GB after restart, installed 2 updates, 3.6MB
    72.2GB before restart
    72.3GB after restart, installed 2 updates, 4.4MB
    71.9GB before restart
    72.0GB after restart, installed 2 updates, 8.4MB
    71.9GB before restart
    72.0GB after restart
      My System SpecsSystem Spec

  5. #15



    BSOD Kernel Dump Analyst
    Posts : 2,274
    Windows 10 Pro


    Used system cleanup utility and have the space back
      My System SpecsSystem Spec

  6. #16


    Posts : 562
    W10 x64 pro and W8.1 x86


    That's interesting. So yours also took 0.9Gb of space when installing the updates but then you got it back following a disk clean. Mine almost always comes back some days later, as if files have been marked for deletion but not yet deleted. I find even the smallest updates exhibit this odd behaviour in that they can take masses of space.
      My System SpecsSystem Spec

  7. #17


    Posts : 562
    W10 x64 pro and W8.1 x86


    Today I installed the single Adobe Flash Player update that appeared a couple of days ago. Free space went from 55.4Gb to 55.0Gb.
      My System SpecsSystem Spec

  8. #18


    Posts : 562
    W10 x64 pro and W8.1 x86


    Its now fallen further to 54.6Gb following a disk clean. So one tiny Adobe update has somehow used 0.8Gb. This is however absolutely typical of the way Windows Update seems to work on W8.1
      My System SpecsSystem Spec

  9. #19


    Posts : 562
    W10 x64 pro and W8.1 x86


    For anyone mildly interested in all this the free space had not so far returned following the single Flash Update. Today I ran the basic disk clean (not including system files) and it was reported that around 18Mb could be freed. Yes, just 18Mb. I ran the cleanup and lo and behold, free space now back at 55.4Gb
      My System SpecsSystem Spec

  10. #20



    BSOD Kernel Dump Analyst
    Posts : 2,274
    Windows 10 Pro


    My free space is back at 73.7GB
      My System SpecsSystem Spec

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Windows update failed and took space
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