How to Fix the BootMGR is Compressed Message at Boot
Why does this BootMGR is Compressed message appears at boot?
Well, for some bizzare reason, Vista also compresses the BOOTMGR when you select (check) to Compress this drive to save data space option on the C: drive. When BootMGR is compressed Vista cannot boot from it. This will show you how to fix this boot error.
Here's How:
1. First of all, boot from your retail Vista or Windows 7 installation DVD, or from you bootable Vista USB or Windows 7 USB installation thumb key. ( By pressing Esc and f8 )
NOTE: If you do not have a retail installation disc, then you can create a Vista recovery disc or Windows 7 system repair disc to use to do the steps below with instead.
2. Now you...