hello,
Thanks for your hints,
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00:00:03.122 Installed Extension Packs:
00:00:03.122 None installed!
How to install Extension Pack
Is it necessary ? I have lot of Ubunut's VMs working without this....
What can I expect for this?
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00:00:03.122 Host RAM: 8051MB RAM, available: 899MB
00:00:03.545 RamSize <integer> = 0x0000000040000000 (1073741824)
899MB available and assigned 1073741824 = -174741824 Not enough available RAM. Close some programs to free up more memory.
Thank you for this but I have had problems with only one VM active. that was the only one application running then.
virtualizer__ wrote:After that I have done fixmbr and fixboot and chkdsk /r in recovery console but all this commands do nothing
Did you make a backup of the VHD before doing these things? If so I would now revert to a version of the VHD that has not been tampered with.
ooouuuughgh
No, I haven't backup for this image

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virtualizer__ wrote:Now virtual machine starts into black screen, I have not any os selector and nothing
Black screen on boot often means that the IO APIC setting is wrong.
Is it any Vitrualbox setting?
virtualizer__ wrote:I have read about cluster size with VDI images problems, but not sure what to do in this case?
I don't remember ever hearing about a problem like that. In any case you said you were using a VHD? That alone is a pity, since VHD is least reliable of the supported formats. VDI would be much preferred, but we can deal with that when the main problem is fixed.
I have vhd file. Which main problem? How can I fix it?
thank you for your help...
regards